Blue-Light Blocking Glasses for Sleep and the Circadian System

  • Improve your sleep quality by protecting the natural production of melatonin, blue light blocking glasses are proven to reduce the time that it takes to fall asleep. Wave goodbye to tossing, turning, and struggling to drift off. Scientific studies have shown that amber-colored blue light blocking glasses can improve sleep quality during the night and then improve alertness the following day.

    Our blue light glasses are ideal for people who want to improve their sleep quality; you should use them while working late on a computer, watching TV before bedtime, or when exposed to excessive illumination in the evening.

    Why should you buy sleep products from Keldik? Because you should only entrust your sleep needs to the best-qualified experts. Our company is led by a Board Certified Sleep Medicine Specialist and we know a thing or two about sleep.

Customer Reviews

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Blue light blocking glasses for sleep and improved circadian balance by Keldik
Blue light blocking glasses for sleep and improved circadian balance by Keldik - lbue light blocked for melatonin production

Blue Light and Melatonin

Any light can block the natural production of melatonin but blue light does so more powerfully.

Quality Testing

Many companies offer blue-light blocking glasses that only block a small percentage of the blue-light. Our lenses are tested to ensure maximum blockage.


Scientific Studies – Blue Light Blocking Glasses

Amber lenses to block blue light and improve sleep: a randomized trial

Treatment of attention deficit hyperactivity disorder insomnia with blue wavelength light-blocking glasses

Restricting short-wavelength light in the evening to improve sleep in recreational athletes - A pilot study

“At the end of the study, the amber lens group experienced significant (p <.001) improvement in sleep quality relative to the control group and positive affect (p = .005). Mood also improved significantly relative to controls”

“subjects completing the study showed subjectively reduced anxiety and improved sleep quality on multiple measures”

“Results indicate that blocking short-wavelength light in the evening, as compared to habitual light exposure, significantly shortened subjective sleep onset latency (Δ = 7 min), improved sleep quality (Δ = 0.6; scale 1-10), and increased alertness the following morning”


*These statements have not been evaluated by the Food and Drug Administration.

This product is not intended to diagnose, treat, cure or prevent any disease

Customer Reviews

Based on 11 reviews Write a review