As daylight diminishes people can feel their mood dimming. Experts say starting light therapy in the fall can help fend off winter depression. As the days get shorter, many people may also find their ...

Turning off the lights at night has long been known to support restful sleep, but new research suggests it may have another significant benefit. Sleeping in total darkness may lower the risk for ...

A new discovery shows that messy, stray light can be used to clean up quantum systems instead of disrupting them. University of Iowa researchers found that unwanted photons produced by lasers can be ...

Can you benefit from light therapy? It depends. Treatments range from nonsensical to possibly useful to those proven to be effective. Without light, there is no life. Literally, it was Dutch scientist ...

Have you noticed you're sleeping a little longer? Maybe you're experiencing a shift in appetite — craving more sweets or pasta. In autumn, our bodies sense the change in light as the dark winter ...