It’s one of the most pervasive messages about technology and sleep. We’re told bright, blue light from screens prevents us falling asleep easily. We’re told to avoid scrolling on our phones before ...

Eye strain may be a real concern for those spending prolonged time on digital devices. Find out if blue light glasses and other ways to reduce eye strain can help.

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 ...

A Rutgers-led team of scientists has developed an eco-friendly, very stable, ultra-bright material and used it to generate deep-blue light (emission at ~450 nm) in a light-emitting diode (LED), an ...

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 ...

What if a simple change in your morning light exposure could help you sleep better? Our sleep patterns change across our lifespan, and, as we get older, we tend to have difficulty getting a good night ...