Blue light from computer screens and smartphones stimulates eyes and can cause sleep problems — but a new analysis finds blue light blocking glasses may not be much help.

Glasses that claim to shield your eyes from screens' blue light and supposedly help you get better shut-eye may not provide much benefit at all — other than elevating your accessories.

Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults — but only if they time it right.

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 ...

The blue light emitted from your smartphone may not be as harmful to sleep as previously thought.

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 ...

Exposure to light with less blue before sleep is better for energy metabolism Date: July 9, 2021 Source: University of Tsukuba Summary: Researchers have found that exposure to specific types of ...