Light therapy glasses can improve mood, energy levels, and productivity, making them valuable for travelers dealing with jet lag. These glasses reset the body’s internal clock to the new time zone faster, providing an effective solution for jet lag-related disruptions. Why Use Light Therapy Glasses for Jet Lag? 1. Portable and Travel-Friendly: Easy to carry while traveling; Use them in your hotel room or during your flight; 2. Reset Internal Clock: Emit specific wavelengths of light; Help the body adjust to new time zones faster; Alleviate jet lag symptoms; Enhance alertness during the day and improve nighttime sleep; 3. Non-Invasive and Side Effect-Free: Natural way to regulatecircadian rhythm; No adverse side effects; Better control the sleep-wake cycle; Going East: Jet Lag Tips with Light Therapy Glasses 1. Start using light therapy glasses a few days before your trip to adjust your body’s internal biological clock gradually. Rule of thumb: the number of time zones crossed is the number of days before the journey to start this protocol.  2. Use the light therapy glasses in the morning to help reset your circadian rhythm and promote wakefulness. 3. Expose yourself to bright light from the glasses for about 20 to 30 minutes each morning. 4. Advance the time of light exposure each morning by 30 minutes to 1 hour, to help adjust your body clock to the new time zone.  5. Avoid using light therapy glasses in the evening or within 2 hours before bedtime, as it may interfere with your sleep schedule. 6. Use the light therapy glasses consistently throughout your trip to help minimize the effects of jetlag. Time of use should be set by the time of your body clock during travel. 7. After arrival, expose yourself to natural sunlight during the day to help align your body clock to the new time zone. In case of very short stays of less than 24 hours, adjusting the body clock might be avoided. Consult with your health physician on this issue. Going West: Jet Lag Tips with Light Therapy Glasses 1. Start using light therapy glasses a few days before your trip to adjust your body’s internal clock gradually. Rule of thumb: the number of time zones crossed is the number of days before the journey to start this protocol. 2. Use the light therapy glasses in the evening to help reset your circadian rhythm. 3. Delay the time of light exposure each evening by 30 minutes to 1 hour, to help adjust your body clock to the new time zone. 4. Avoid using light in the morning within 2 hours after wakeup. 5. Use the light therapy glasses consistently throughout your trip to help minimize the effects of jetlag. Time of use should be set by the time of your body clock during travel. 6. After arrival, try to expose yourself to natural sunlight during the day while wearing light therapy glasses to help align your body clock to the new time zone. In case of very short stays of less than 24 hours, adjusting the body clock might be avoided. Consult with your health physician on this issue. enhance the benefits.

The circadian rhythm affects our sleep patterns in various ways. When our body’s internal clock is functioning properly, we experience increased alertness during the day and a natural feeling of sleepiness at night. This results in a healthy and consistent sleep pattern that allows us to wake up feeling rested and refreshed in the morning. However, disruptions to our circadian rhythm can lead to various sleep problems, such as insomnia or excessive daytime sleepiness. What Happens When the Circadian Rhythm Is Disrupted? Our circadian rhythm can face disruptions from factors like jet lag, shift work, or irregular sleep schedules. When this happens, our body’s internal clock is thrown off balance, and our natural sleep-wake cycles are disrupted. For instance, one may not be able to sleep at night. This can result in having fewer hours of sleep and sleep during the day. How Can Disruptions to the Circadian Rhythm Affect Our Sleep? Cortisol and Sleep: Cortisol, which is a glucocorticoid hormone that your adrenal glands produce and release, usually decreases in the evening and thereby helps promote sleep. However, disruptions, like stress or excessive device use emitting blue light, can interfere with this natural decline. Stress and Cortisol: The experience of stress is accompanied by changes in the body’s cortisol profile. In the evening, a stress-experience-related increase in cortisol can interfere with the usual drop in cortisol at that time of day, which is needed for good sleep. People dealing with chronic stress may find it hard to fall asleep, leading to insomnia. Electronic Devices and Sleep Disruption: Using electronic devices, especially close to sleep onset, can disturb our sleep and the body’s internal biological clock. Increased levels of alertness depending on the media content consumed can interfere with a consistent sleep time. Engaging with stimulating content can make it tough for the body to shift into a sleep-friendly state. And also the bright light from screens can suppress melatonin. Insomnia as a Result: When disruptions like circadian rhythm imbalance, high cortisol levels, and electronic device impact add up, it can contribute to insomnia. Insomnia, characterized by ongoing difficulty falling or staying asleep, can become a lasting issue if these disruptions persist.

Wondering how to beat the winter blues? As the days get colder and darker, it’s common to feel a bit down. In this article we’ll break down the most common questions related to this condition. What Are the Winter Blues? The “winter blues”, is a term used to describe feelings of sadness, lethargy, and irritability that occur during the colder months of the year. It is often attributed to a lack of sunlight and shorter days. While these feelings may be common during winter, they should not be dismissed as a normal part of the season. How Can I Tell If I Have the Winter Blues? Symptoms of the winter blues may include feeling low or depressed, having less energy and motivation, changes in appetite, insomnia, and a general lack of interest in activities that usually bring joy. If these feelings persist for more than a couple of weeks and start to interfere with daily life, it may be a sign of Seasonal Affective Disorder (SAD). How Can I Fight the Winter Blues? One highly effective method to combat the winter blues is using light therapy glasses. By simulating natural sunlight, they effectively regulate your biological clock and increase mood and energy levels. AYO offers customizable intensity levels, allowing you a tailored experience to your needs while enjoying its sleek and stylish design. Learn more about the benefits of light therapy glasses here. Other Ways to Fight the Winter Blues: Regular exercise. Spending time outdoors during daylight hours. Practicing self-care. Maintaining a healthy diet.

There are several effective methods that can help you get to know your circadian rhythm. Let’s quickly break them down: Chronotype Questionnaire It can help determine whether you are an early bird or a night owl, depending on your sleep and wake preferences on workdays and work-free days. This can give insight into your sleep schedule and tendencies. The most well-known chronotype assessments are the Munich Chronotype Questionnaire (MCTQ) and the Morningness-Eveningness Questionnaire (MEQ). To learn more about chronotypes click here. Actigraphy Involves wearing a wristwatch-like device that measures your movement and sometimes also exposure to light for several days. This data can then be analyzed to determine your circadian rhythm. Sleep Diary Keeping a sleep diary can also help you understand your sleep-wake cycle. This involves tracking your sleep patterns and habits, as well as any external factors that may impact your sleep. While it may not directly identify your chronotype, a sleep diary can indicate whether you are more of a morning or evening person. Melatonin Levels Specialized laboratories offer kits to help assess your Melatonin Dim Light Onset (DLMO). This usually is part of research projects and might be offered by sleep clinics. Hair Follicle Test There are specialized companies offering insights into your chronotype through a blood test or hair analysis test. Circadian Health Apps Specialized apps or devices often use algorithms based on various methods of chronotype assessment, such as questionnaires, sleep metrics, and biomarkers, to provide you with a personalized assessment of your chronotype.

When people suffer from disruption to their natural body rhythms, the most likely cause is because of irregular exposure to natural light and an overreliance on artificial lighting. Disrupting your biological rhythm can lead to a series of health consequences, such as sleep disorders, decreased productivity, and overall well-being. If you’re experiencing any of these issues, understanding circadian light and its impact on your body could help mitigate them. By learning about the role of natural light in regulating our biological clocks, you can make informed decisions to align your daily routines with your natural rhythms. In this article, we’ll go over what circadian light is precisely and how to use it to benefit your natural rhythms. What Is Circadian Light and How Does It Affect the Body’s Rhythms? Circadian light is a combination of natural and artificial light sources that aligns with and supports our bodies’ 24-hour biological rhythms. These rhythms, known as circadian rhythms, are influenced by our environment’s light and dark cycles. Historically, humans synchronized their daily activities solely with the sun’s rising and setting, which ensured our internal clocks were in tune with natural light patterns. However, in the modern era, many people have weird routines or social-lifestyle limitations (like waking up early for work), which mistime our internal clocks and lead to multiple health issues over the long term. There are various types of light throughout the day, and each affects our body differently. For example, the bright light of the morning signals our bodies to wake up, while the warmer light of the evening prepares us for rest. Did you know? Just 20-30 minutes of natural sunlight in the morning can help reset your internal clock and improve sleep quality at night. The Science Behind Circadian Light Circadian Light is more than simple daylight—it is rather a sophisticated interplay between bright and dim light and its timing. Think of how many different types of light you see during the day. You have the dawn’s almost blueish light, the bright daylight in the afternoon, and the warm light in the evening, all with varying intensity. This complex interplay of light signals influences our biological rhythms significantly.   At the core of our internal clocks is the suprachiasmatic nucleus (SCN), a group of nerve cells in the brain that act as the master clock. The SCN receives light signals from our eyes and uses these neuronal signals to regulate the production of crucial hormones, such as melatonin. Because of that, biological rhythms are driven by the daily cycle of light and darkness. The SCN synchronizes these rhythms across various bodily functions, from sleep-wake cycles to body temperature regulation, by detecting light through special photoreceptor cells. For instance, exposure to bright blue-enriched light during the daytime signals the body to stay awake. New Circadian Light Technologies Three main circadian light technologies are becoming popular lately. These lighting technologies are crucial for creating environments that support our natural circadian rhythms in the absence of constant natural daylight: Dynamic Intensity: Intensity tuning refers to adjusting light brightness levels to suit specific needs or times of the day. This concept is crucial in circadian lighting systems as it helps mimic the natural variation of daylight and ensures you get bright days and dim nights. Color tuning: Color tuning, or color temperature tuning, involves adjusting the color temperature of the light. The color temperature is measured in Kelvin (K) and can range from warm (yellow/red tones) to cool (blue/white tones). Light frequency, measured in nanometers (nm), can also represent color. This measurement indicates whether the light has longer or shorter wavelengths. By adjusting these frequencies, we can mimic the natural shifts in light from sunrise to sunset. Time-specific lighting: Scheduling light changes to align with natural circadian cycles. For example, bright, blue-enriched light during the daytime and dim, warm light in the evening. Did you know? Maintaining a consistent sleep schedule, even on weekends, can improve your circadian rhythm, leading to better sleep and overall health. How Circadian Light Affects the Body Circadian light profoundly impacts multiple bodily functions by regulating our internal biological clock. Here are some of the most important: Sleep Patterns One of the most noticeable effects of circadian light is on sleep patterns. Exposure to natural light during the day helps to synchronize our circadian rhythm with the 24-hour day, which helps you feel awake in the morning and prepares your body for sleep at night. Conversely, excessive exposure to artificial light, mainly blue and bright light from screens, can suppress melatonin production, which might cause difficulty falling asleep and poor sleep quality. (unless you are trying to stay awake and move your sleep to a later hour). How can you improve these sleep patterns? Start your day by getting at least 20-30 minutes of natural sunlight soon after waking up. In the afternoon, spend as much time as possible in natural light. If you work indoors, take frequent breaks to walk outside. A great natural hack is to expose yourself to sunset, which can reduce the negative effects of bright artificial light at night (e.g. TV or smartphone screens). Hormone Release Circadian light also affects the release of various hormones in your body. For example, cortisol, the hormone that keeps you awake during the day, peaks in the early morning. Similarly, circadian rhythms and light influence the timing of other hormones, such as insulin, which regulates blood sugar levels. Insulin is arguably one of the most essential hormones, as disrupting these rhythms can contribute to metabolic disorders like obesity and diabetes. Digestion and Metabolism The timing of light exposure also plays a role in digestion and metabolism. Our digestive system is tuned to be more active during daylight hours when food intake typically occurs. Circadian rhythmicity influences the timing and efficiency of digestive processes, including the production of digestive enzymes and the absorption of nutrients. A misaligned circadian rhythm can lead to digestive issues and metabolic syndrome. Mood and Mental Health Circadian light significantly impacts mood and mental health. Daily exposure to natural light helps balance neurotransmitters like serotonin, which affect mood and emotional well-being. Conversely, lack of natural light and chronic exposure to artificial light at night are linked to increased risks of depression, anxiety, and other mood disorders. Seasonal Affective Disorder (SAD) is a prime example of how reduced daylight during winter months can lead to depression. Did you know? Light therapy can reduce symptoms of Seasonal Affective Disorder (SAD) by up to 60%, making it a valuable tool for improving mood and mental health during the darker months. Immune System Regulation Circadian clocks influence the immune system by regulating immune cell production and release timing. Studies show that disruptions in circadian rhythms can impair the function of immune cells such as T cells and natural killer cells. This can lead to increased susceptibility to infections and reduced effectiveness of vaccines. Cognitive Functions Light exposure, mainly blue and bright light, affects cognitive functions by regulating melatonin and cortisol levels. Light exposure during the day enhances cognitive performance by improving alertness and concentration. Studies have demonstrated that disruptions in circadian rhythms can lead to cognitive impairments, such as reduced attention, slower reaction times, and poorer memory. Cardiovascular Health Circadian rhythms are crucial in cardiovascular functions by regulating heart rate and blood pressure. Research indicates that blood pressure and heart rate follow a circadian pattern, peaking during the day and dipping at night. Disruptions in these rhythms, often caused by irregular light exposure, are associated with increased risks of hypertension, heart attacks, and strokes. This explains why there’s a higher incidence of strokes and heart attacks in the morning hours, particularly during the shift to daylight saving time. How to Align with Circadian Light Cycles Aligning your daily routines with circadian light cycles can significantly enhance your health and well-being. Here are some practical tips to help you optimize your light exposure throughout the day: Morning light exposure: As soon as possible after waking up, expose yourself to natural sunlight. Aim for at least 20-30 minutes of outdoor light. This helps reset your internal clock and signals to your body that it’s time to be awake and alert. For example, a morning walk or having breakfast near a window are effective ways to get this exposure. Maximize daylight exposure: Spend as much time as possible in natural light throughout the day. Take regular breaks to go outside or sit near windows. Consider using light therapy glasses to mimic natural daylight for those in environments with limited natural light. Evening light reduction: Reduce exposure to artificial blue light from screens (phones, tablets, computers, and TVs) in the evening. Use features like “night mode” or blue light filters on your device to minimize their impact. Blue light can suppress melatonin production, and increase alertness which makes it harder to fall asleep. Dim the room lights and ensure you are not in a bright environment. Optimize your bedroom for sleep: Ensure your bedroom is dark, cool (e.g. 18-19°C is recommended but this is individual), and quiet. Use blackout curtains to block external light in case you are getting bright light too early (e.g. in the summer when bright light can be hours ahead of your wake-up time), and remove or minimize electronic devices that emit light. A sleep-friendly environment facilitates better sleep significantly. Keep a consistent sleep schedule: Go to bed and wake up at the same time every day, even on weekends. This consistency reinforces your circadian rhythm and improves overall sleep quality. Did you know? Exposure to blue and bright light from screens or lamps can delay melatonin production and significantly affect sleep patterns. Case Studies on Circadian Light Understanding the practical implications of circadian light in our daily lives can be challenging without looking at real-world examples and case studies. Here, we look at a notable experiment that highlights the impact of circadian light on health and well-being. The Effects of Circadian Light in the Workplace A recent study from the University of Illinois at Urbana-Champaign and Northwestern University revealed significant benefits of natural light exposure in office environments. Office workers with access to natural light slept 46 minutes longer on average, had better sleep quality, and experienced improved physical activity and overall quality of life compared to windowless environments. This study highlights the importance of designing office spaces that maximize natural light exposure to enhance employee health and productivity. The study measured light exposure, activity, and sleep using actigraphy, a method involving a wrist-worn device that records motion and light exposure. The results indicated that employees with windows in their offices received 173% more white light during work hours than those without windows, highlighting the critical role of natural light in regulating circadian rhythms and promoting health. Improve Your Bodily Rhythms with Proper Circadian Light Understanding how circadian light works is crucial to avoid serious health issues and sleep disorders. Try the tips in this article and see how they improve your overall well-being. While this article provides general tips, for personalized circadian light guidance tailored to your specific needs, consider using apps or tools designed for your particular circadian health and chronotype. If you found this article helpful, check out our other content on the blog.

As humans, we have an internal biological clock known as the circadian rhythm that regulates our sleep-wake cycle. Sometimes, due to changes in work schedules, jet lag, or other factors, our circadian rhythm can be disrupted. As a result, it causes difficulty in falling asleep, staying alert, and waking up at the right time. However, there are ways to adjust and regulate our circadian rhythm, one of which is light therapy. Light therapy glasses have been designed especially for those who struggle with sleep disorders caused by disrupted circadian rhythms. By wearing these glasses for a specific duration of time each day, the body can adjust its circadian rhythm and promote better sleep. Click here to explore how AYO light therapy glasses work. Adjusting Your Circadian Rhythm: Tips for Using Light Therapy Glasses Consistent Usage: Use your light therapy glasses at the same time each day. Timing: The best time to use the glasses depends on your sleep issues. If falling asleep is difficult, use the glasses in the evening. If waking up is the problem, use them in the morning. Duration: Wear your glasses for approximately 20 to 30 minutes, depending on the intensity of light and your circumstances. Monitor Progress: You can use the AYO app for tips and most precise results.Keep track of your sleep patterns to observe any changes. If there’s no significant improvement after a consistent period of use, consult a healthcare professional.

Diagnosing SAD can be challenging as it shares symptoms with other types of depression. However, one of the key criteria in diagnosing SAD is the onset and remission of symptoms with changing seasons. A person must experience two or more consecutive seasonal episodes of depression to be diagnosed with SAD. To diagnose SAD, a doctor may conduct a physical exam and review the medical history of the patient. They may also ask about specific symptoms and when they occur, as well as any family history of depression or SAD. Healthcare professionals may use various tools and assessments such as the Seasonal Pattern Assessment Questionnaire (SPAQ) or the Structured Interview Guide for the Hamilton Depression Rating Scale with Seasonal Affective Disorder Supplement. These tools can help determine if a person’s mood changes are related to seasonal patterns.

AYO stands out from the sleep apps and wearables with its unique approach to improving sleep quality through light therapy. While others focus on tracking sleep patterns, AYO takes a proactive step by using light therapy glasses to regulate the body’s internal biological clock, offering an easy-to-implement and easy-to-use tool for better sleep. Light Therapy Light therapy has been used for decades as a treatment for various sleep disorders, such as insomnia and circadian rhythm disorders. AYO is the first company to integrate light therapy into wearable glasses combined with Chronobiology advice, making it the world’s first Circadian Health Wearable. This allows for more targeted and effective delivery of light therapy, as the glasses can be worn during daily activities at closely targeted time points and do not require the user to sit in front of a special lamp for extended periods. Use of Light Therapy Glasses AYO’s light therapy glasses emit a specific wavelength of light that replicates natural sunlight. This light stimulates the production of melatonin, the hormone responsible for setting the body clock. By using AYO’s glasses in the morning, users can reset their internal clock to match their desired schedule. The result is a night of higher quality sleep, helping users fall asleep faster and enjoy deeper, more restful rest. Why Choose AYO? AYO stands out from generic sleep wearables and light therapy devices by prioritizing proactive solutions over passive data gathering. Unlike conventional devices that merely track your status, it focuses on addressing the fundamental aspect of your biological foundation—the circadian rhythm. Recognizing that the circadian rhythm plays a pivotal role in sleep and overall health, AYO takes a unique approach by empowering users to leverage their own biology to achieve personalized goals, distinguishing itself as a solution that actively guides individuals toward better sleep and health outcomes. By seamlessly integrating light therapy glasses with expert guidance in chronobiology, AYO achieves tangible and rapid results. AYO is not your typical light therapy device. It stands out by actively improving your biological foundation—your circadian rhythm. Instead of just tracking data, AYO helps you leverage your circadian rhythm for personalized goals. It recognizes the vital role of your circadian rhythm in sleep and overall health. This unique approach combines easy-to-use light therapy glasses with expert guidance. The result? Rapid and noticeable improvements for better sleep and overall well-being.

Ever wonder why you wake up on some days feeling like you can conquer the world while, on others, you can’t even roll out of bed? Why do you struggle with jetlag, and why do afternoon naps seem so appealing? The answer to all those questions is circadian health. Your circadian health affects multiple bodily processes, including your sleep-wake cycle, mental state, and behavior. When something disrupts your circadian health, you get sleepy, have low energy, and mood swings. In this article, we’ll explore how circadian health works, its impact on your health, and how to fix it. What Is Circadian Health Circadian health refers to having well-functioning biological rhythms properly synchronized with your environment and lifestyle. When you have good circadian health, your body effectively: Regulates sleep and wakefulness at appropriate times. Produces hormones at the right moments. Maintains stable energy levels throughout the day. Controls body temperature fluctuations. Manages hunger and digestion cycles. Coordinates cognitive performance and alertness. Think of circadian health as your body’s ability to anticipate and adapt to daily patterns. The quality of your circadian health directly impacts crucial aspects of your life such as sleep quality, mental clarity and physical energy. For example, someone with optimal circadian health naturally feels energized in the morning, maintains steady alertness during the day, and becomes sleepy at night – all without relying on stimulants or sleep aids. The Difference Between Circadian Rhythm and Circadian Health While often used interchangeably, circadian rhythm and circadian health are distinct concepts. Your circadian rhythm is the biological process – your internal 24-hour clock regulating sleep, hormones, and other bodily functions. Think of it as the mechanism itself, like having a watch. This rhythm exists whether it’s working optimally or not. Circadian health, on the other hand, refers to how well your circadian rhythm functions and how aligned it is with your environment and lifestyle. It’s like the difference between a watch and a watch that keeps accurate time. Good circadian health means your internal rhythms are well-synchronized with natural light-dark cycles and your daily activities, leading to consistent energy levels, stable mood, and quality sleep. For example, someone might have a natural circadian rhythm that makes them sleepy around 10 PM, but poor circadian health could mean they’re unable to fall asleep until 2 AM due to factors like irregular light exposure, inconsistent meal times, or mistimed exercise. Just as you can have good or poor cardiovascular health, you can have optimal or disrupted circadian health. Did you know? An adult’s natural internal clock is on average 24.2 hours. We use external stimuli to help entrain this rhythm daily to 24 hours. How Does Circadian Health Work? Circadian health revolves around several biological clocks throughout the body, all coordinated by a master clock in the brain called the suprachiasmatic nucleus (SCN). This master clock operates on a cycle slightly longer than 24 hours and needs to adjust itself regularly to stay aligned with Earth’s day-night cycle. Your body relies on environmental cues called zeitgebers to maintain proper alignment. While light is the most influential zeitgeber, other factors, such as meal timing, exercise patterns, and social interactions, also play important roles in regulating your circadian health. Light exposure particularly impacts your circadian health through specialized cells in your eyes that detect brightness and communicate directly with your master clock. These signals trigger the release or suppression of key hormones like cortisol and melatonin. Cortisol peaks in the morning to increase alertness, while melatonin rises in the evening to prepare for sleep. Additionally, every major organ and tissue in your body contains its own biological clock. These peripheral clocks control local functions like digestion and liver activity while synchronizing with the master clock. When all these systems align correctly, you experience natural energy patterns, regular sleep-wake cycles, consistent hunger signals, and stable cognitive function throughout the day. Chronobiology and Genetics: The Science Behind Circadian Health Chronobiology, the study of biological rhythms in living organisms, reveals that circadian health is deeply rooted in your genetic makeup. These biological rhythms aren’t just habits – they’re encoded in your DNA through specific genes that regulate your internal clock. Scientists have identified several “clock genes” influencing whether people naturally feel alert or sleepy. These genes create proteins that rise and fall in a rhythmic pattern, controlling various aspects of physiology. The most well-known are the PER and CLOCK genes, which work together to regulate circadian timing. Your genetic profile influences whether you’re naturally an early bird (morning chronotype) or a night owl (evening chronotype). Early birds tend to have a variation of the PER gene that makes their circadian rhythm run slightly faster, causing them to wake up and feel sleepy earlier. Night owls often have a different genetic variation that extends their natural day. Having said that, your genes aren’t your destiny. Environmental factors and behaviors can influence how these genetic predispositions express themselves. Understanding your natural chronotype can help you work with your biology rather than against it, leading to better circadian health. What Happens When Your Circadian Health Is Off? Your circadian health is a very powerful yet fragile internal process. You’ll have lots of energy, good sleep, and mood if you consistently keep it healthy. Conversely, poor circadian health causes a lot of issues to your body, such as: Sleep disorders: Improper circadian health makes it a lot harder to fall asleep, which can lead to insomnia, and irregular sleep-wake patterns. Mental health issues: Irregular sleep makes you more prone to depression, anxiety, and mood disorders. Cognitive issues: Poor circadian health can lead to reduced concentration, memory problems, and decreased cognitive performance. Health disorders: Out-of-synch circadian health increases the risk of significant health issues such as obesity, diabetes, and heart attacks. Fatigue: When you don’t sleep well, you’re not rested enough, leading to significant fatigue and decreased energy levels. But, what causes poor circadian health? The major factors are typically: Consistent travel across time zones Shift work Illness Stress Excessively bright sleep environment Social/study habits leading to irregular bedtimes How to Maintain Proper Circadian Health Consistency is one of the most important things to establish regarding circadian health. To keep your circadian health and rhythms in check, you must have consistent daily habits like: Keeping a regular schedule: When possible, keep a regular schedule for most parts of your life, such as meal times. If you usually have breakfast, lunch, and dinner, try having all three around the same time. Establishing a regular sleep routine: Try going to bed and waking up at the same time every day, even on weekends. Of course, weekends can be an issue to keep regular, but try to stick to as much of a regular sleep routine as possible for at least six days a week. Physical activity: Exercising regularly helps your body in many different ways, one of which is your circadian health. Exercise regularly throughout the week, even if it’s just light physical activity. Optimizing your sleep environment: Keep your bedroom as dark and quiet as possible, and also cool (18-19°C). For example, you could use blackout curtains, earplugs, and a sleep mask. Limiting blue light exposure: The light from your screen can impact your circadian rhythm, especially for long periods and before bedtime. Reduce or eliminate screen time from phones, tablets, and computers at least an hour before bedtime. Ideally, avoid using such devices during this time. Morning light exposure: Get outside for at least 30 minutes after waking up. It’ll significantly improve your circadian health, and sunlight has been shown to help with mood and energy levels. Healthy diet: Avoid heavily processed foods, heavy meals, caffeinated drinks, and alcohol close to bedtime. Relaxation techniques: Incorporating relaxation techniques can help support your sleep quality. Try incorporating meditation, breathing exercises, or yoga into your daily routine. For example, 10 minutes of daily meditation is enough to start. Limiting naps: Who doesn’t love a good, refreshing nap in the afternoon? Naps are great for the most part, but be careful not to have too many. If you need a nap, make sure it’s no longer than 20-30 minutes, and avoid napping late in the day, as it can make falling asleep a lot harder. Hydrate: Drink enough water during the day but reduce liquid intake in the evening to avoid frequent night-time trips to the bathroom. Mind your body temperature: Warm showers or baths before bed are great as they help your body cool down and relax, signaling your brain it’s time to sleep. Managing stress: Try to manage your stress before bedtime. The more stressed you are before going to sleep, the easier it’ll be to disrupt your sleep. How to Fix Disrupted Circadian Health You managed to keep your circadian health on point for several weeks. You started seeing progress with your sleep, energy levels, and mood. But something happened in your life, and you fell off the wagon. And if yours is out of sync too, here are some ways to fix it: Light therapy: Blue light therapy (not the same blue light from your smartphone) is a common treatment for disrupted circadian health. This procedure involves exposure to a specific light that mimics natural sunlight. Controlling exposure to light can alter melatonin production and fix your disrupted circadian health. Light therapy is often accomplished through a lightbox or blue light therapy glasses. Supplements: One of the first things you’ll hear a person with insomnia do is take melatonin supplements. With melatonin supplements, correct timings and dosage can make a big difference in the effectiveness of the treatment, so ask your doctor for advice before trying this therapy. Melatonin supplements are not suitable for children. Consistent sleep schedule: One of the easiest ways to fix your disrupted circadian health is to adjust your sleep schedule. Write down your typical daily routine, including your work shifts and social gatherings, and create a sleep plan that allows you to be consistent. Did you know? Shift workers often experience circadian misalignment, leading to increased risks of chronic health issues like cardiovascular disease and metabolic disorders. How Circadian Health Affects Your Body Your circadian health influences nearly every system in your body. From your heart rate to your digestion, these internal rhythms regulate crucial physical functions and can impact your overall health. Blood pressure follows a distinct daily pattern, typically dropping during sleep and rising before you wake. This natural pattern can be affected when circadian rhythms are disrupted, potentially contributing to cardiovascular issues. Research shows that shift workers, who often experience circadian disruption, have higher rates of heart-related conditions. Your digestive system also operates on a circadian schedule. The gut has its own biological clock that influences nutrient absorption, metabolism, and the gut microbiome. Eating irregularly or late at night can disrupt these natural rhythms, potentially leading to digestive and metabolic problems. The immune system shows strong circadian patterns too. Many immune functions are heightened during sleep, which is why disrupted circadian rhythms can weaken your body’s defense mechanisms. Hormonal production follows strict daily timing. Growth hormone, which aids in tissue repair, peaks during deep sleep. Cortisol, essential for energy and stress response, naturally peaks in the morning. Athletic performance also varies with circadian timing. Most people reach their peak physical performance in the late afternoon, when body temperature is highest and muscle function is optimal. Understanding these patterns can help optimize workout timing and athletic training. The Impact of Circadian Health on Sleep If you struggle to fall asleep at night or wake up feeling exhausted, your circadian health is probably disrupted. But how does circadian health impact sleep exactly? Mainly through light and darkness exposure. Light exposure during the day keeps your circadian rhythms in sync. As darkness falls, the SCN releases the break on the pineal gland (as it happens during the daytime because of daylight) which leads to the release of melatonin, the primary hormone that signals darkness to the body . Conversely, exposure to natural sunlight in the morning suppresses melatonin, helping you wake up refreshed. The more you align your circadian health and circadian rhythms, the better your sleep, energy, and mood will be. Did you know? Your body temperature drops to its lowest point around the midpoint of your natural sleep phase in the early morning hours, signaling that it's time for deep sleep. Circadian Health and Energy Levels Dips in energy throughout the day can happen, especially the afternoon energy dip, which is a regular part of your circadian rhythm function. But when these lows happen too often or are severe, poor circadian health might be the reason. When your circadian health is disrupted, you feel fatigue and low energy. Why is that? Your circadian rhythms regulate the timing of hormone release, body temperature, and other physiological processes. For example, circadian rhythms regulate cortisol, which helps you feel awake and energetic. It peaks in the morning and gradually decreases throughout the day. Circadian and Mental Health Your circadian health plays a vital role in mental health – when your internal clock is disrupted, it can affect your psychological well-being in numerous ways. Mental health conditions often show strong connections to circadian disruption, and many people experience changes in their sleep patterns, energy levels, and daily rhythms. Seasonal Affective Disorder (SAD) demonstrates one of the most apparent links between circadian health and mental wellbeing. During darker winter months, reduced sunlight exposure can disrupt your circadian system, leading to depression symptoms that typically improve in spring and summer. This is especially common in regions far from the equator, where seasonal light changes are more dramatic. Research has also found connections between circadian disruption and bipolar disorder. People with bipolar disorder often experience significant changes in their sleep patterns during different phases of their condition. Depression and anxiety also show strong ties to circadian health. People with these conditions frequently experience sleep disturbances, changes in appetite timing, and shifts in their daily energy patterns. Circadian Health Across Life Stages Your circadian health changes significantly throughout life, with each age group facing unique challenges and requirements. Infants and Young Children start life without a precise circadian rhythm. Newborns sleep in shorter bursts throughout the day and night, gradually developing more regular patterns around 3-6 months. Young children typically need more sleep and tend toward earlier bedtimes. Their circadian rhythms are strongly influenced by light exposure and family routines. Teenagers experience a natural shift in their circadian rhythm, making them naturally inclined to stay up and wake up later. This biological change often conflicts with early school start times, leading to chronic sleep deprivation. During these years, the body clock can shift by up to two hours, making it difficult for teens to fall asleep early. Though individual differences remain significant, adults generally develop more stable circadian patterns. Work schedules, family responsibilities, and social obligations often challenge natural rhythms. Women may experience additional circadian disruptions due to hormonal changes during menstruation, pregnancy, and menopause. Older Adults tend to shift toward earlier wake and sleep times. They might naturally wake up at dawn and feel sleepy in the early evening. Aging can also make circadian rhythms more fragile, leading to more sleep disruptions and greater sensitivity to changes in routine. Cultural and Geographic Factors also influence circadian health: Different societies have varying meal times and work schedules. Latitude affects natural light exposure patterns. Cultural practices like siestas align with natural afternoon energy dips. Urban versus rural environments create different circadian challenges. Modern Life and Circadian Health Modern lifestyles often conflict with our natural circadian rhythms. From artificial lighting to international travel, contemporary life introduces numerous disruptions to our internal clocks. Social Jet Lag, the mismatch between our biological clock and social obligations, affects many people who maintain different schedules on workdays versus free days. This weekly rhythm disruption can impact health similarly to regular jet lag, leading to fatigue, mood changes, and decreased performance. The rise of remote work has introduced new circadian challenges as well. While flexible schedules can allow better alignment with natural rhythms, the blurred boundaries between work and personal time often lead to irregular sleep patterns and extended screen time exposure. Urban environments present their own set of challenges too. Light pollution, noise, and the 24/7 culture of cities can make it difficult to maintain regular circadian rhythms. Meanwhile, shift work affects millions globally, forcing many to operate against their natural biological timing. Frequent travel across time zones disrupts circadian rhythms through jet lag, requiring careful management strategies. Business travelers and flight crews face ongoing challenges in maintaining circadian health while regularly crossing multiple time zones. Technology and Circadian Health While technology can disrupt circadian health, some can help you fix it. Here are some of the most cutting-edge technologies designed to help you regulate your internal clock: Blue Light Therapy Glasses: These glasses simulate sunlight with a gentle blue light that enters your eyes and stimulates sensory cells in the retina called photosensitive Retinal Ganglion Cells (ipRGCs). This sends a biological signal through the optic nerve towards your body’s master clock located in your brain. Be aware that time of day is of utmost importance when using these devices. Light Therapy Lamps: Light therapy lamps are stationary devices similar to light therapy glasses and you’d typically place these lamps in your bedroom – but only use them in the morning. They work by simulating natural sunlight, helping you regulate your circadian health. Light therapy lamps are handy for combating SAD. Wearable Sleep Trackers: These portable devices monitor your sleep patterns and provide detailed insights to help improve sleep hygiene. Circadian Health Apps: These apps help you align daily activities with your circadian health and rhythm by providing personalized sleep, meals, and exercise recommendations. Sleep Environment Optimizers: These gadgets improve your sleep environment by controlling temperature, humidity, light, and noise levels to help you sleep better. For example, there are specific mattresses that regulate optimal sleep temperature or air purifiers that clean the air while you sleep. Did you know? Traveling eastward causes more severe jet lag because it requires shortening your day, which is harder for your body to adjust to than lengthening it. Embrace Your Circadian Health Fixing your circadian health is crucial to sleep better, have more energy, and avoid mood swings. Now that you understand the ins and outs of circadian health, it’s time to take action. If you’re having issues with your circadian health, our blue light therapy glasses can help. You can also learn more about circadian health on our blog.