Recent reporting reveals that REM sleep may fundamentally alter how memories are formed and recalled. During rapid eye ...

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

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

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 ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Neuroscientists probing the boundary between sleep and awareness are finding many types of liminal states, which help explain ...

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 ...

Sleep paralysis is common, and rarely harmful, though it can be scary. Here's what you should know about the causes, risk ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self ...