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

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.

Learn how scientists discovered that even in deep sleep, parts of the brain stay active, and the mind may never fully rest.

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 ...

Your nightly sleep cycle plays a key role in the quality of your sleep. Here's what happens in each stage and why it matters ...

The rapid eye movements during a mouse's REM sleep provide more insight into the mechanism behind dreaming, a new study finds. It appears that animals can dream too. This especially happens during a ...

Non-rapid eye movement (NREM) sleep arousal disorders involve repeated episodes of incomplete awakening from sleep, most commonly sleepwalking or night terrors (also known as sleep terrors), but ...

>> THERE IS A LOT TO TALK ABOUT. WE HAVE ALL HAD "-- WE HAVE ALL HEARD "I WILL SLEEP WHEN I’M DEAD," BUT IT’S REALLY NOTHING TO JOKE ABOUT. SLEEP IS VITALLY IMPORTANT TO THE HEALTH OF OUR BODIES AND ...

When you wake up in the morning, it might feel like your brain just switched on at the ring of an alarm, although you still ...

RBD is marked by loss of REM sleep atonia, leading to physical dream enactment. Polysomnography is essential to confirm RBD and rule out other disorders. Idiopathic RBD is a strong predictor of ...

Somalytics is introducing SomaSleep, a mask that uses eye tracking to monitor sleep. (Somalytics Photo) Seattle-area sensor company Somalytics is showcasing a wearable mask that detects eye movement ...