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

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

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

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

Drown out the noises that keep you up at night.