The message that blue light from screens stops you from falling asleep is essentially a myth, albeit a very convincing one. Here’s what’s really going on.
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Articles on Blue light
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How much do we really need to be worried about the effects of blue light on our skin?
They’re heavily promoted. Your optometrist may even prescribe them. But when we looked at the evidence, this is what we found.
Your body follows a circadian rhythm that influences everything from how well your medications work to the best time for exercise.
There’s more to reindeer than meets the eye.
What you need to know about blue light protection lotions.
LED face masks are popular with celebrities and promise a glowing complexion. But should they come with ‘daytime use’ recommendation?
If you ever felt nauseous, fatigued or disoriented after using your phone or computer, you may be experiencing a condition similar to motion sickness.
Springing forward for daylight saving time will be especially hard this year due to sleep loss from COVID-19. Why does the US keep doing this?
Blue light has been getting blamed for sleep interruption and eye strain. But the facts are that any bright light interferes with sleep, and computers themselves cause eye strain, an eye doctor says.
Many adolescents have trouble sleeping - but limiting screen use is not the solution. When used correctly, bedtime use of devices can be beneficial to mental health, without harming sleep quality.
Blood is red, but our veins are blue. Or are they?
Gaining a better sense of what genes are involved in regulating circadian clocks could put us on a path to find better treatments and therapies to help people adjust to time shifts.
Solar is a vital piece of the energy puzzle for Africa, but there is an insect problem that comes with the light from solar.
Is electricity making us sleep less? A new study on sleep in preindustrial societies suggests the answer is no. But it misses a big point: people in preindustrial societies spend more time in darkness than we do.
With daylight saving ending yesterday across most of the country and winter approaching, Australians are moving from fears of too much sun exposure resulting in skin cancer to too little sun exposure and…
Top contributors
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Associate Professor in Biological Sciences, University of Notre Dame
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Senior Lecturer in Parasite Epidemiology, School of Natural and Environmental Sciences, Newcastle University
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Adjunct Professor, School of Public Health, University of Technology Sydney
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Professor of Epidemiology, Australian National University
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Professor, School of Medicine, University of Connecticut
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Honorary professor, UCL Institute of Ophthalmology, UCL
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PhD Candidate in Psychology, University of Glasgow
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Assistant Professor of Optometry, The Ohio State University
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Assistant Professor of Biology, Texas A&M University
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Lecturer in Psychology, University of Glasgow
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Research fellow, King's College London
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Associate Professor of Dermatology, Bond University
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Adjunct Research Fellow, Appleton Institute of Behavioural Science, CQUniversity Australia
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Vice Chair, Department of Neurology, University of Florida
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Senior UX Researcher, Iowa State University
