Blue Light Studies
Explore our comprehensive collection of articles about blue light and its effects on health and sleep.
Research Highlights
Key scientific findings about blue light and its effects on health
Harvard Medical School
Blue Light Study
Harvard researchers found that blue light suppressed melatonin for about twice as long as green light and shifted circadian rhythms by twice as much (3 hours vs. 1.5 hours).
Journal of Clinical Endocrinology & Metabolism
Sleep Quality Research
A study found that just one hour of blue light exposure before bedtime significantly reduced deep sleep (slow-wave sleep) in young adults compared to dim lighting conditions.
Sleep Foundation
Circadian Rhythm Impact
Research shows that among all colors of visible light, blue wavelengths have the largest impact on shifting our circadian rhythm and suppressing melatonin production.
What People Are Saying
Hear from people who have experienced the benefits of blue light protection
Sarah J.
"After learning about blue light's effects on sleep, I started wearing blue light glasses in the evening. Within a week, I was falling asleep faster and waking up more refreshed."
Michael T.
"As a software developer, I spend 10+ hours daily on screens. Blue light glasses have significantly reduced my eye strain and headaches. I won't code without them now."
Elena R.
"I was skeptical at first, but after researching the science behind blue light, I decided to try quality blue light glasses. My sleep tracker shows I'm getting 40 minutes more deep sleep now!"
Frequently Asked Questions
Get answers to common questions about blue light and blue light glasses