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 ...

Night work keeps hospitals open, factories humming and deliveries moving while most people sleep, but a growing body of research suggests that this schedule may quietly chip away at long‑term health.

Spending screen-free time before bed can improve sleep performance, but to reap the full benefits, you’ll actually want to reduce all types of night light exposure. A study out of China found that ...

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 ...

Research has found a link between light exposure at night and diabetes risk. DMP/Getty Images Recently much research has focused on exposure to bright light at night and its potential negative impact ...