Sound machines promise better sleep, but new research suggests they may quietly steal your REM and deep sleep.

We tend to think of sleep as the time when our brains shut down for good, but in fact, what's around us, particularly sound, has great influence on how well we sleep. From the gentle patter of rain to ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? POV: It’s 2:00 a.m. and you can’t fall asleep. You’ve tried everything, from ...