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

REM sleep behavior disorder is characterized by acting out dreams, which may include shouting, kicking and punching during sleep.

Most people spend a third of their lives sleeping, but you may need more or less than eight hours a night. The amount of ...

Deep sleep plays an important role in learning and memory storage, "by facilitating a process called 'memory consolidation,' ...

More people are becoming obsessed with sleep trackers, causing insomnia and making sleep worse, experts say. Here’s how to ...

Sexual activity—whether partnered or solo—improves sleep efficiency and reduces night-time wakefulness, according to a pilot ...

A new study from The Australian National University (ANU) suggests that poor sleep may contribute to brain shrinkage and ...