Bright outdoor light exposure at night is associated with an increased risk of heart disease, according to an October study published in the Journal of the American Medical Association. Light at night ...

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 ...

Another reason to darken those windows and shut down those screens at bedtime: Increased exposure to artificial light at night may increase the risk for cardiovascular disease (CVD), researchers have ...