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Blue Light Therapy Glasses: The Hack to Better Sleep

Written by AYO Team

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Blue Light Therapy Glasses: The Hack to Better Sleep
Table of contents

Key Takeaways

  • Blue light therapy glasses can help regulate sleep cycles and improve sleep quality. They influence circadian rhythms and hormone production.
  • Blue light therapy glasses may offer benefits beyond sleep, including managing seasonal affective disorder, increasing energy, and alleviating jet lag.
  • While generally safe, blue light therapy glasses aren’t suitable for everyone. It’s important to be aware of potential side effects and if needed consult a healthcare professional before incorporating them into your routine.

Are you tossing and turning night after night, desperately trying to get a good night’s sleep?

You’re not alone.

Millions struggle with sleep issues, ranging from difficulty falling asleep to waking up feeling groggy and unrested.

Traditional remedies like prescription medications often fall short.

You might lie awake, staring at the ceiling, wondering if you’ll ever experience the rejuvenating sleep you crave.

The consequences of poor sleep go beyond mere tiredness—they can affect mood, productivity, and overall health.

But there is a science-backed solution that could help improve your sleep quality significantly: Blue light therapy glasses.

In this comprehensive guide, we’ll explore how blue light therapy glasses work, their potential benefits, and whether they might be the sleep hack you’ve been searching for.

Without further ado, let’s jump straight into the article.


Did you know?
The human eye has special receptors that are most sensitive to blue light wavelengths around 480 nanometers, called intrinsically photosensitive retinal ganglion cells or ipRGCs

What Are Blue Light Therapy Glasses?

Unlike traditional glasses that correct vision or block light, these specialized glasses emit specific wavelengths of blue light directly into your eyes.

They are wearable devices that deliver controlled amounts of blue light. They typically consist of a frame with built-in LED lights that emit blue wavelengths between 460 and 480 nanometers.

The primary goal of these glasses is to regulate our sleep and circadian rhythms.

It’s essential to distinguish blue light therapy glasses from blue light-blocking glasses.

While therapy glasses emit blue light and are typically used in the morning or during the day to increase alertness and regulate sleep cycles, blocking glasses filter out blue light and are worn in the evening to reduce light exposure for better sleep.

There are different types of blue light therapy glasses, such as:

  • Visor-style: These sit above the eyes like a visor, directing light downward.

  • Glasses-style: Resembling regular eyeglasses, you can wear these over prescription lenses. An example of this is AYO’s blue light therapy glasses.

  • Integrated-LED: Some models incorporate small LED lights directly into the frame of regular-looking glasses.

When choosing blue light therapy glasses, you should consider light intensity (measured either in lux or melanopic EDI), battery life and charging method, comfort and fit, and additional features like programmable timers or app integration.

Also, remember that while blue light therapy glasses are generally considered safe, they’re not suitable for everyone.

People with certain eye conditions or taking photosensitizing medications should consult a healthcare professional before use.

The Science Behind Blue Light Therapy Glasses

Our bodies have evolved over thousands of years to respond to the natural cycle of light and darkness, developing an internal biological clock that regulates various physiological processes.

Circadian rhythms are the 24-hour cycle part of the body’s internal clock.

These rhythms influence numerous functions, including sleep-wake cycles, hormone release, eating habits, and digestion.

The circadian system is primarily controlled by a region in the brain called the suprachiasmatic nucleus (SCN), often called the body’s master clock.

Light plays a crucial role in regulating these circadian rhythms. Light entering our eyes stimulates special photoreceptors called intrinsically photosensitive retinal ganglion cells (ipRGCs).

These cells are particularly sensitive to blue light wavelengths, which are abundant in natural sunlight.

When blue light stimulates, ipRGCs send signals to the SCN, orchestrating various physiological responses.

One of the most significant effects of blue light exposure is its impact on melatonin production.
Melatonin is the ” hormone of darkness” because its levels rise in the evening and signal the night’s length to our brains.

This is where blue light therapy glasses come into play.

These glasses impact on our circadian rhythms by delivering a controlled dose of blue light directly to the eyes.

When used in the morning, they can help suppress melatonin production, making it easier to wake up and feel alert.

When used strategically during the day, they may help shift the body’s internal clock, benefiting people dealing with conditions like seasonal affective disorder (SAD) or jet lag.

Potential Benefits of Blue Light Therapy Glasses

Blue light therapy glasses offer a range of potential benefits, particularly for those struggling with sleep issues, mood disorders, or disrupted circadian rhythms. Let’s explore some of the key advantages:

Improved Sleep Quality

One of the primary benefits of blue light therapy glasses is their potential to enhance sleep quality.

By using these glasses in the morning, you can:

  • Reset your circadian rhythm.
  • Increase daytime alertness, leading to better sleep at night.
  • Reduce the time it takes to fall asleep.
  • Improve overall sleep duration and quality.

Managing Seasonal Affective Disorder (SAD)

For those who experience mood changes with the seasons, particularly during winter months, blue light therapy glasses may offer relief:

  • Mimic natural sunlight exposure which is limited during winter.
  • Help regulate mood and energy levels.
  • Reduce symptoms of depression associated with SAD.

Increasing Energy and Alertness

Blue light exposure can have an energizing effect on the body:

  • Increase cognitive function and alertness during the day.
  • Improve concentration and productivity.
  • Help combat daytime fatigue.
Did you know?
Combine blue light therapy with a consistent sleep schedule for maximum benefit.

Alleviating Jet Lag

Frequent travelers may find blue light therapy glasses particularly useful as they:

  • Help adjust to new time zones more quickly.
  • Reduce symptoms of jet lag, such as fatigue and disorientation.

  • Assist you in maintaining a regular sleep schedule when crossing time zones.

Potential Effects on Depression and Mood Disorders

Beyond SAD, blue light therapy may have broader applications for mood regulation:

  • Some studies suggest it may help alleviate symptoms of non-seasonal depression.
  • Potentially useful as an adjunct therapy for various mood disorders.
  • It may help stabilize mood and improve overall emotional well-being.

Enhancing Cognitive Performance

Blue light exposure has been linked to improved cognitive function:

  • It may enhance memory and information processing.
  • It could improve reaction times.
  • It might improve overall mental performance, especially during typically low-energy times of the day.

Regulating Hormones

Blue light therapy can influence hormone production:

  • Help regulate cortisol levels, a hormone needed to cope with everyday stressors.

  • Assist in maintaining a healthy sleep-wake cycle by influencing melatonin production.

How to Use Blue Light Therapy Glasses

Using blue light therapy glasses effectively requires understanding the proper timing, duration, and best practices.

Here’s a comprehensive guide on how to maximize the benefits of your blue light therapy glasses:

Recommended Usage Times and Duration

1. Morning Use:

  • Optimal time: Within 30-60 minutes of waking up
  • Duration: Typically 20-30 minutes
  • Purpose: To reset your circadian rhythm and increase alertness
2. Daytime Use:
  • Best for: Combating afternoon slumps or shift work adjustments
  • Duration: 15-30 minutes
  • Timing: Avoid use within 4 hours of bedtime to prevent sleep disruption
3. Usage while Traveling:
  • For westward travel: Use in the evening of your destination time
  • For eastward travel: Use in the morning of your destination time
  • Duration: 30-60 minutes daily until adjusted

Additionally, here are some best practices for maximum effectiveness:

1. Consistency is Key:

  • Use your glasses at the same time each day for optimal results.
  • Stick to a regular schedule, even on weekends.

2. Proper Positioning:

  • Ensure the light is directed towards your eyes, not just your face.
  • Keep your eyes open; the light needs to reach your retina.

3. Multitasking is Okay:

  • You can wear the glasses while doing other activities like reading or working.
  • Just ensure the light isn’t blocked by anything.
4. Gradual Introduction:
  • If you’re new to light therapy, start with shorter sessions and gradually increase.
  • This helps minimize potential side effects like headaches or eye strain.

5. Seasonal Adjustments:

  • You may need longer sessions during the winter months.
  • Shorter sessions may suffice during summer.
6. Combine with Other Healthy Habits:  
  • Use in conjunction with a consistent sleep schedule.
  • Maintain good sleep hygiene practices for best results.

Precautions and Potential Side Effects

While blue light therapy glasses are generally safe and well-tolerated, it’s essential to be aware of potential side effects and take necessary precautions.

Here are some of the potential side effects of blue light therapy glasses:

  • Headaches
  • Eye strain
  • Nausea
  • Hyperactivity (if used too close to bedtime)
  • Irritability
  • Mild dizziness

These side effects are typically mild and often subside as your body adjusts to the therapy. However, discontinue use if symptoms persist or worsen and consult a healthcare professional.

It’s also important to take the proper precautions when using blue light therapy glasses, such as:

1. Medical Consultation:

  • Consult a doctor before use if you have eye conditions or light sensitivity.
  • Discuss with your healthcare provider if you have a history of bipolar disorder, as light therapy may potentially trigger manic episodes.

2. Medication Interactions:

  • Avoid use if you’re taking photosensitizing medications, such as certain antibiotics or antipsychotics.
  • Check with your pharmacist or doctor about potential interactions.

3. Eye Health:

  • If you have existing eye problems or a family history of eye disease, get clearance from an ophthalmologist before starting light therapy.

4. Safety While Using:

  • Don’t use it while driving or operating machinery.
  • Avoid looking directly at the light source for prolonged periods.

5. Time of Use:

  • Be cautious about using the glasses late in the day, as it may interfere with your natural sleep cycle.

6. Children and Elderly:

  • Extra caution is advised when using light therapy for these age groups.
  • Always consult with a pediatrician or geriatrician before starting therapy.

7. Pregnancy:

  • If you’re pregnant or breastfeeding, consult with your healthcare provider before using light therapy glasses.

Are Blue Light Therapy Glasses Right for You?

While blue light therapy glasses offer numerous potential benefits, they may not be the ideal solution for everyone.

Here are a few questions you should ask yourself before trying blue light therapy glasses:

1. Current Health Status:

  • Do you have any pre-existing eye conditions?
  • Are you taking any medications that might increase light sensitivity?

2. Lifestyle Factors:

  • Can you commit to consistent daily use?
  • Can you use the glasses at the recommended times?

3. Sleep Environment:

  • Have you already optimized your sleep hygiene?
  • Are there other factors affecting your sleep that should be addressed first?
4. Cost:
  • Are you prepared to invest in quality blue light therapy glasses?
5. Expectations:
  • Do you understand that results may not be immediate and consistent use is key?
Did you know?
Some airports now have light therapy areas to help travelers combat jet lag.

Fix Your Sleep with Blue Light Therapy Glasses

Blue light therapy glasses offer an innovative approach to managing sleep, mood, and overall well-being. They harness the power of light to regulate the body’s natural rhythms.

While they show promise for various conditions, from insomnia to seasonal affective disorder, it’s crucial to use them correctly and understand their limitations.

Check out our blog to dive deeper into the world of sleep optimization and discover more cutting-edge wellness technologies.

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