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

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

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

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 ...