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

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

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

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

It’s also when “growth hormone” is released. In the latter hours of the night, more of the sleep cycle is spent in rapid-eye movement sleep, or dream sleep, which is important for learning ...

I wasn’t sleeping well, so I took Thorne’s Sleep Test to uncover the cause. Here's what I learned about my out-of-whack ...

While we dream during REM sleep, the brain is busy processing ... "A lot of sleep time was considered awake, and the reported sleep cycles were completely off," she said. "Yet we'd see people ...

This raises questions about whether REM sleep is related to domestication ... These frequent and relatively brief sleep-wake cycles allow dogs to adjust to changes in their routine more readily ...

It will track deep, light and REM sleep cycles and provide in-app analytics and a daily Sleep Score so you know how to improve your rest. Save at Amazon Dreo 120° Oscillating Standing Fan ...

Discover seven strategies to improve sleep quality naturally, from optimizing your bedroom environment to timing exercise ...