REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you’re awake. Getting enough REM sleep is crucial, as it helps you store information and ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to ...

It can be tough to calculate exactly how long you’re in REM, but many health trackers use your heart rate, heart rate variability, and data on your movements to make solid estimations. (Just know that ...

Not everyone can sleep through rumbling traffic or a spouse's incessant snoring. If you do, you may pride yourself on being a ...

We've all had those mornings when you can't seem to shake the grogginess—even if you got a full eight hours of sleep. And if ...

Please provide your email address to receive an email when new articles are posted on . Prolonged REM sleep latency was associated with three key Alzheimer’s-specific pathological changes. REM sleep ...

Whether it's a routine to improve sleep hygiene or a trick to fall asleep faster, most of us are pretty interested in how we can rest better without taking hours out of our day. Of course, we all know ...

All the most commonly prescribed drugs for mental and emotional disorders affect dreams—typically via their effects on REM sleep. Under healthy conditions REM sleep ‘turns on' when activity levels of ...

Insomnia, falling asleep at unusual hours, movement during dreams, and nighttime confusion may indicate a change in the brain ...

According to sleep memory theory, dreaming sleep is essential for consolidation of memory. Daydreaming, when we're awake and ...

Researchers at Center for BrainHealth at The University of Texas at Dallas have identified a specific feature of sleep that ...