REM sleep is a stage of sleep when your heart rate increases, your blood pressure elevates, and your brain processes emotions ...

There are tell-tale signs when you don’t get enough REM sleep. It’s the fourth stage of sleep and it’s crucial for processing ...

There are few things more frustrating than waking up feeling groggy after what you hoped would be a refreshing and revitalizing night’s sleep. Maybe your mind was racing all night, or you were ...

You did it! You finally won the lottery, and you're making plans to spend all that cash ... but then you're startled awake by your alarm clock. It was just a dream (sigh). Whether or not you remember ...

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 ...

Researchers trace how different sleep stages may fine-tune what we remember, trading specifics for more general knowledge.

Valerie Cacho, MD, is a board-certified sleep medicine specialist and the founder of the online educational company Sleephoria. Make sure you follow a consistent sleep schedule to help regulate your ...

The Two Pillars of Recovery If you’ve ever wondered whether deep sleep or REM sleep is “more important,” think of it like comparing cardio to weight training.

It used to be as easy as getting eight hours of sleep a night—period, the end, honk shoo. Then, as technology infiltrated our lives with high-tech fitness trackers and the direct-to-consumer ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images There are tell-tale signs when you don’t get enough REM sleep. It’s the ...