In a recent study, researchers watched bursts of sound alter the flow of fluid in the sleeping brain.

We tested the best noise machines for sleep, from smart sound clocks to portable white-noise devices, to help you rest more ...

Your sleeping brain is not quiet. Electrical waves roll across it, blood vessels rhythmically change size and cerebrospinal ...

Experts explain the sleep benefits of different noise colors. Here's how white noise, pink noise, and brown noise can help you sleep more peacefully.

Think pink for better sleep and extra brain benefits. While research is mixed about the benefits of background noise during ...

During the day, waste products such as lactic acid and worn-out proteins build up in the brain. When we sleep at night, waves of cerebrospinal fluid (CSF) help wash away this waste, keeping the brain ...

Many of us use soft background noise to help us fall asleep and keep us there. Unfortunately, this strategy could actually backfire in a big way, new research finds. Scientists at the University of ...

Listening to pink noise, commonly used in sound machines and apps marketed as sleep aids, was associated with a decrease in restorative REM sleep and worse overall sleep recovery than wearing earplugs ...

A Sound Habit to Guide Your Brain into Restful Sleep The light from your smartphone screen, late-night notifications, tasks ...

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 type could ...

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 protecting sleep ...