That’s raised concerns about whether blue light from digital screens is harmful. More research is needed. Experts think digital eyestrain, or computer vision syndrome, affects about 50% of ...

Not only does blue light disrupt melatonin production ... one study found that exposure to blue light had a positive effect on how your brain processes, alertness, and reaction times.

If all the light waves are in the sky, why does it usually look blue? The whole light spectrum is traveling through our atmosphere — but the sky usually looks blue because blue light waves ...

And experts want you to know that yes, exposure to blue light does affect sleep ... from sources like our cellphones and laptops, so blue light at bedtime can signal to the brain that it ...

A big reason for your mood is the high-intensity blue light coming from the sun. Among the visible light spectrum, blue wavelengths have the most powerful effect on your sleep-wake internal body ...

morning exposure to this same wavelength has the opposite effect on your circadian rhythm. That bright, blue-rich light signals to your brain that it’s definitively daytime, helping to anchor ...

To understand how glasses or apps might affect ... When blue-sensitive receptors in our eyes are first exposed to light in the morning, that sends a signal to the pineal gland of our brain that ...