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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You probably know about white noise, or have seen one of those humming machines outside a therapist's ...

A study found that certain types of background noise used by millions to help them sleep actually interferes with their sleep ...

Pink noise—often used to promote sleep—may reduce restorative REM sleep and interfere with sleep recovery. In contrast, earplugs were found to be significantly more effective in protecting sleep ...