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 type could ...

Listening to pink noise, commonly used in sound machines and apps marketed as sleep aids, was associated with a decrease in restorative REM sleep and worse overall sleep recovery than wearing earplugs ...

Philadelphia — Marketed as a ticket to deeper sleep, the soft hum of pink noise has become part of millions’ nightly routines. However, its use may come at the cost of sleep quality, a University of ...

Up to half of American adults flip on ambient noise to fall asleep at night. That love of soothing bedtime noise has spawned machines and apps that deliver specific sounds and frequencies like nature ...