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

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

Rather than promoting better quality sleep, pink noise and other ambient noises may harm sleep quality more generally.

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 ...

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

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

A new study finds pink noise may reduce Rem sleep and disrupt overnight brain recovery, raising concerns over sleep apps and ...

Recent research on its effectiveness has been largely positive, with a 2019 Northwestern study finding that the noise could boost deep sleep in patients with mild cognitive impairment. But a new ...