Alcohol is often used as a sleep aid – with some people crediting a "nightcap" with helping them fall asleep more easily. But ...

A new study showed that people who took longer to enter this dream phase of sleep had higher levels of amyloid beta and tau, ...

Taking too long to enter the phase of sleep in which we dream may be an early sign of Alzheimer's disease. This is the ...

Delayed REM sleep may be linked to a higher risk of Alzheimer’s disease, new research found. Here's how to build a healthy sleep routine.

A sleep expert details why you wake up groggy from a nap and how to make the most of your snack-sized slumber.

Researchers have discovered that positive emotions enhance perceptual memories during sleep, particularly in the non-REM stage.

I asked Dr. Acostamadiedo what causes night terrors, hallucinations and other parasomnias, to get to the root of my recurring ...

Recent studies have shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer ...

From smart rings to mattress sensors, here are our top picks of the best sleep trackers that reveal what really happens ...