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 ...

The gender sleep gap means women don't get as much quality sleep as men. I spoke to nine women to hear their stories for ...