Sleep experts say using a white noise machine can improve sleep. Here, editor-tested picks from Hatch, HoMedics, YogaSleep and more.

The best white noise machines mask distractions, use screen-free controls, and offer white, pink, and brown noise options to lull you to sleep.

Ask enough sleep nerds about the best sound machines and two very different front-runners will ultimately emerge: the Dohm and the LectroFan. The Dohm, sold by a company called Yogasleep, is a ...

We all have those nights when we just can’t fall asleep or have trouble staying asleep — and poor rest can wreak havoc in all kinds of ways the next day. For some, background noise is the answer, ...