Dr. Eric Berg outlines six nighttime habits that disrupt sleep and well-being, emphasizing simple, cost-free changes.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Fact: a terrible night’s sleep (or an all nighter) can leave you feeling awful the next day.

Insomnia is incredibly common—and incredibly frustrating. Nearly one in five women have trouble falling or staying asleep, and that number skyrockets during menopause, with roughly half of all ...