PHILADELPHIA -- Marketed as a ticket to deeper sleep, the soft hum of pink noise has become part of millions’ nightly ...

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, ...

A Penn Medicine study challenges sound machine benefits, finding that "pink noise" disrupts deep sleep and REM cycles, while ...

Pink noise is different. Instead of equal energy at each frequency, the energy halves with every doubling of frequency (so ...

Pink noise is often promoted as a sleep aid, but experts warn it can disrupt rest if used incorrectly. Here’s what sleep ...

One in four people suffer from some kind of sleep disorder—insomnia, sleep apnea, narcolepsy, hypersomnia, restless legs syndrome. And for a quarter of them, there is no effective, long-term solution.

Pink noise, a staticky sound that’s supposed to help people fall asleep, may actually worsen your rest, a new study found.

You may have heard of white noise used to mask background sounds. Now, it has colorful competition. There's a growing buzz around pink noise, brown noise, green noise -- a rainbow of soothing sounds - ...

A new study finds pink noise may reduce Rem sleep and disrupt overnight brain recovery, raising concerns over sleep apps and ...