Ambient sounds or pink noise - often used to promote better patterns of sleeping - may in fact reduce restorative REM sleep.

PHILADELPHIA—Pink noise—often used to promote sleep—may reduce restorative REM sleep and interfere with sleep recovery. In contrast, earplugs were found to be significantly more effective in ...

“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 ...

Color us surprised. Plenty of people use apps and ambient sound machines to reduce clamor and improve their sleep — but not all noise is created equal. In fact, new research suggests that a particular ...

Add Yahoo as a preferred source to see more of our stories on Google. Cole Kan/CNET If you're a light sleeper who's sensitive to sound, then you know how difficult it can be to catch some Zs.

Which sleep sound are the best for falling asleep? How about staying asleep? And is the future of sleep simply a story without an ending?

7 to 9 hours of sleep is necessary for good health, but every person's sleep requirement is different. According to experts, along with the quantity of sleep, its quality also affects mental and ...