Chelsea Reynolds is affiliated with Flinders University with academic status, is a member of the Australasian Sleep Association, and is a co-founder of the digital CBTi program, Bedtime Window. It’s ...

Blue light from screens has been blamed for sleep problems, screen fatigue, and various health issues. Companies sell blue light blocking glasses, apps filter blue wavelengths, and phone operating ...

Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

Far from our solar system, brief explosions of electric-blue light are flaring in distant galaxies, outshining entire star systems for a few days before fading back into darkness. These events are so ...

For anyone who cares about their so-called "sleep hygiene" — essentially good, deep, restful sleep — it has become conventional wisdom that blue light will wreck it. Blue light is often the wavelength ...

Share on Pinterest Researchers say that blue light may not significantly affect a person’s circadian rhythms. AleksandarNakic/Getty Images Blue light from the sun is vital in regulating a person’s ...

A bright blue beam has been lighting up the metro Phoenix night sky, and a lot of Valley residents want to know why. In recent weeks, a glowing blue column rising roughly 3 miles into the air near ...

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...

The concern about blue light has increased, because exposure to this kind of light after sundown, and, indeed, to bright light in general, is a new development in human history. LEDs used in computers ...