Add Yahoo as a preferred source to see more of our stories on Google. For years, I’ve been a loyal sleep-sounds person. Rainstorms, ocean waves, the steady hum of pink noise, I’ve rotated through all ...

Think your sound machine is helping you sleep? It might be doing the opposite. A new study from the University of Pennsylvania Perelman School of Medicine found that listening to pink noise at bedtime ...

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep ...

A new study out of the University Of Pennsylvania suggests certain noises promoted to support sleep may be more harmful than we thought. Sound machines and apps that play so-called pink noise are ...

Pink noise, a staticky sound that’s supposed to help people fall asleep, may actually worsen your rest, a new study found. Subscribe to read this story ad-free Get unlimited access to ad-free articles ...