A growing body of research reveals that something as simple as turning off the lights at night may play a surprising role in ...

A recent study reports that exposure to light during sleep is associated with a higher risk of cardiovascular disease. During sleep, ambient light contributes to brain stress that can cause arterial ...

Research has linked it to higher risks of multiple major cardiovascular conditions, even if you exercise, eat well and get ...

Staying up late regularly may do more than disrupt sleep—it could quietly harm your heart. Studies show night owls face ...