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

A study found that certain types of background noise used by millions to help them sleep actually interferes with their sleep ...

Add Yahoo as a preferred source to see more of our stories on Google. Parents have used white noise machines to help their children sleep soundly for decades. But the American Academy of Pediatrics ...

Like white noise, pink noise is background sound that helps block out bothersome external sounds. The difference between white noise and pink noise is the frequencies. While white noise is made up of ...