REM, also known as Rapid Eye Movement is where most dreaming occurs, brain activity increases, and the body becomes ...

As scientists race to understand cognitive decline, a significant discovery shows how your nightly rest might be the key to maintaining brain health for decades. A breakthrough study has revealed that ...

What is core sleep is on your Apple Watch, and does it even matter? We look at which sleep stages matter most for quality ...

You may remember little to nothing when you wake up, but there’s a lot going on while you sleep. You just spent the previous seven to nine hours moving through a highly structured cycle of sleep ...

Daytime “wash cycles” help clear waste from the brain but cause momentary drops in attention after nights of poor sleep.

To see your sleep data, open the Health app on your iPhone and tap Browse, then Sleep. At the top of the screen, you will see ...

As nighttime noise rises, millions turn to pink noise for relief, but the steady hum meant to protect sleep may quietly ...

Pink noise — low-frequency broadband noise often used in sound machines and sleep apps — is associated with a decrease in REM ...

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

Some of the proven tips for better sleep are obvious: don’t drink coffee too late in the day; give yourself time to wind down ...

And, believe it or not, your genetic makeup dictates whether you’re more comfortable going to bed earlier or later within ...