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

In A Nutshell Pink noise at 50 decibels reduced REM sleep by 19 minutes per night in healthy adults, potentially affecting ...

Color us surprised. Plenty of people use apps and ambient sound machines to reduce clamor and improve their sleep — but not all noise is created equal. In fact, new research suggests that a particular ...

Help your baby drift off to sleep with the best white noise machines. Explore our top picks, featuring soothing sounds and ...

A recent study suggests that pink noise may interfere with REM sleep nd reduce overall sleep quality. The researchers say ...

Whether they’re emitting natural white noise, the sound of a gently flowing brook, or bird song, sound machines can offer a calming effect and help many people drop off to sleep. Sound machines are ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Getting a good night’s sleep is hard. A third of all American adults report getting less than the daily ...

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, ...

Soft background noise like static or a waterfall, otherwise known as pink noise, may interfere with sleep recovery and reduce ...

Noise can affect sleep for better or worse. White noise machines that emit just that — consistent noise — fall squarely in the “better” category. Thumping upstairs neighbors or a door slamming are in ...