But how do sleep cycles work? To find out, I took part in a polysomnography. This is a gold standard sleep study that helps ...

It can vary depending on your sleeping pattern and schedule, but generally, the worst time to nap is during the late ...

However, some research shows that major stressors may increase REM sleep but reduce deep sleep. REM rebound, which is when we ...

A sleep doctor reveals the optimal time of day to take a nap in order to feel rested and reap the health benefits.

Researchers question whether poor sleep may play a role in the progression of CKM syndrome, a complex heart and ...

A new study reveals how the brain reprocesses and refines memories during sleep, particularly those related to spatial ...