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

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

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 ...

Bedtime has arrived, and now it’s time to set the stage. Light-emitting electronics like the TV and computer are off. Phone is on airplane mode. Pajamas are breathable and comfortable. Bed is made.

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

Which sleep sound are the best for falling asleep? How about staying asleep? And is the future of sleep simply a story without an ending?

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. I know I’m supposed to gradually go to bed ...

Using a melodic song you enjoy as an alarm sound can potentially reduce feelings of grogginess upon waking. However, waking suddenly from sleep may have negative effects. Many people use an alarm ...