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 ...

Sound machines and “sleep sounds” are often marketed as a cure for restless nights, but new research suggests they may ...

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, ...

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 ...

Sound machines promise better sleep, but new research suggests they may quietly steal your REM and deep sleep.

Pink noise by itself, equivalent to "moderate rainfall," was linked to a loss of 19 minutes of REM sleep. And pink noise combined with aircraft noise led to "significantly shorter" time spent in deep ...

In A Nutshell Pink noise at 50 decibels reduced REM sleep by 19 minutes per night in healthy adults, potentially affecting ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? To be honest, aside from minor sleep apnea, I don’t struggle with my sleep too ...

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.

We may receive a commission on purchases made from links. Listening to white noise or background sounds such as wind or thunderstorms has proven to be an effective sleeping aid. It creates a calming ...