Research has shown that blue light from cell phones may disrupt our circadian rhythms and make it hard to sleep. A new study says blue light from street lamps and home devices may increase risk of ...

Welcome to Sleep Week, which we’re devoting to all the things that help us get better shut-eye. We’re talking to experts and testing products ourselves to get those precious eight hours a night. You ...

Schools may soon face an unintended consequence of more flexible technology and more energy-efficient buildings: sleepier students. That’s because evidence is mounting that use of artificial light ...

Last month, Neutrogena voluntarily recalled its popular Light Therapy Acne Mask, citing customer complaints of eye problems and “an abundance of caution,” according to the company. The mask targets ...