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

"Deep sleep builds your immune system, and REM sleep regulates and fine-tunes it," says Darwall-Smith agrees. During deep ...

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Drinking alcohol might appear to help you fall asleep initially, but it diminishes your quality rest. These nighttime tips ...

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 ...

For the purists who don’t need bells and whistles, these capsules are the answer. No weird additives, just potent, organic ...

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

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