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

If you’re the parent of a new baby, you’ve experienced the long nights when your baby will wake at the slightest disturbance—a door closing, your dog barking, or merely the creaking of the house.

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

White noise machines help block out environmental sounds, which can help some people sleep. Some people also use white noise machines to help them focus or to soothe infants. White noise machines emit ...