REM sleep plays a crucial role in our physical and mental health. ... If you're trying to learn a new skill and want the best chance of mastering it, then REM sleep is your friend.

We rounded up the best sleep trackers from Whoop, Oura, Anker, and Fitbit. The best sleep tracker is the Whoop 4.0. ... Optimize your REM sleep with the best sleep tracker of 2025.

REM sleep and deep sleep are both essential sleep stages, but they play very different roles in our rest. ... is important to wake up feeling your best and promote good health over time. ...

We rounded up the best sleep trackers from Whoop, Oura, Anker, and Fitbit. ... Optimize your REM sleep with the best sleep tracker of 2025. Mashable. Tue, May 6, 2025 at 1:00 PM UTC.

REM Sleep Behavior Disorder causes more than dream enactment—it’s a powerful clue to neurodegenerative disease risk.

The best known is REM, which stands for rapid eye movement because your eyes move rapidly during this stage of sleep. Scientists and researchers generally divide the cycles into two broad ...

During REM sleep the brain processes memories, especially those that are emotionally charged, and puts them into long-term storage. “The delay in REM sleep disrupts the brain’s ability to consolidate ...

Not getting enough of the deeper stages of sleep raises the risk of brain deterioration associated with Alzheimer’s disease, a new study finds.