NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. White noise machines can help reduce outdoor noises, mask ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more When you really need in need of a good night's sleep, there's nothing more irritating than lying awake ...

“The sound machine can generate any of several types of sound, from nature [or] music,” Dr. Cory Portnuff, an audiologist at the University of Colorado Health’s Hearing and Balance Clinic, says. In ...