Getting a good night’s sleep is hard. A third of all American adults report getting less than the daily recommended amount of sleep nearly every night. Too little noise, and the mind starts to race.

Many people turn to white noise machines to help them fall asleep faster and achieve deeper, restorative sleep. Nowadays, these devices can play a wide range of soothing sounds and even double as ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Getting a good night’s sleep is hard. A third of all American adults report getting less than the daily ...