Researchers may have found a way to get the benefits of sleep through artificial naps, but the research is far from complete.

Numerous components beyond length of sleep have important ties to cardiometabolic disease and related risk factors.

REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

If you have atopic dermatitis (AD), also known as eczema, then you know the struggle: You climb into bed ready to catch some zzz's, but can't sleep because of the intense, relentless itching. Thanks ...

The authors suggest that it is related to sleep stage and serotonin acting at one type of serotonin receptor in the dentate gyrus. The results are significant because they suggest new insight into how ...

Researchers put forward a comprehensive model outlining the conditions that may give rise to the vivid mental phenomena that ...

I probably would struggle to sleep, to be honest.” Woldbye later told the Financial Times that he had gone to bed at 11pm before the fire started. But would it have been so bad if he had handed ...

The team first trained five monkeys on a task evaluating image orientations and tested them twice, with a 30-minute gap in which they either had non-REM sleep or merely rested. The monkeys that ...

Pulling the occasional all-nighter can seem like the only choice when you're overwhelmed, but sacrificing sleep causes more problems than it solves. The longer you go without sleep, the more your ...

Getting enough sleep is easier said than done — that's where napping comes in handy. Whether you're looking to catch up on rest after a sleepless night or relax in the afternoon, napping is an ...

This reorganization, observed during non-REM sleep, involved a dynamic change in the neurons representing reward locations—some stopped firing while others became active. These changes not only ...