“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 ...

Finding the right sleep sound is a bit like finding the right type of pajamas, says Dr. Winter. And while research on the sleep benefits of different noise types is limited, it’s definitely growing.

“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 ...