A Penn Medicine study challenges sound machine benefits, finding that "pink noise" disrupts deep sleep and REM cycles, while ...

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

Pink noise — low-frequency broadband noise often used in sound machines and sleep apps — is associated with a decrease in REM ...

PHILADELPHIA -- Marketed as a ticket to deeper sleep, the soft hum of pink noise has become part of millions’ nightly ...

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

Pink noise is often promoted as a sleep aid, but experts warn it can disrupt rest if used incorrectly. Here’s what sleep ...

Sound machines and “sleep sounds” are often marketed as a cure for restless nights, but new research suggests they may ...

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 ...

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

Sound machines that mask disruptive noises in a bid to help people get a better sleep have become increasingly popular in ...

Pink noise has emerged as a “natural-sounding” alternative to white noise, with plenty of people claiming it’s a better way ...

Pink noise, a lower-pitched sound similar to white noise, is commonly promoted as a sleep aid, with some recent research suggesting it could boost deep sleep. New research from Penn Medicine, however, ...