Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep ...

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

The soothing sounds of pink noise, designed to obscure outside clamor and lull listeners into sleep, may not be so innocuous, ...

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

The ambient and steady, static-like tone from pink noise is similar to tapes of heavy rainfall or ocean waves, and aims to soothe the brain into a deep slumber. Pink noise contains lower frequencies ...

There’s nothing more annoying than not being able to sleep. Anyone who has experienced even a short period of disturbed sleep ...

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

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

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

Pink noise by itself, equivalent to "moderate rainfall," was linked to a loss of 19 minutes of REM sleep. And pink noise combined with aircraft noise led to "significantly shorter" time spent in deep ...

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