Living in a modern environment often means enduring a constant hum of background noise and physical vibration. From the rumble of heavy traffic to the oscillation of industrial machinery, these ...

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 ...

A new study from Canada finds that blue light before bed might not be as bad for adults as we have been led to believe.

Despite their popularity, blue light-blocking glasses probably don’t do much to reduce eyestrain, help keep people alert or improve sleep, according to a meta-analysis looking at 17 studies published ...

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 ...