Imagine the horrifying and unsettling thought of a spider crawling into your body while you sleep. A diver on an expedition ...

A person’s sleep needs are highly individual, Holliday-Bell says. If you feel refreshed and ready for the day after nine ...

Scientists have mapped the brain's electrical activity during lucid dreaming, offering unprecedented insights into this ...

In the quiet hours of the night, while your body rests, your brain is busy. It's sorting through the day’s moments, filing some away as lasting memories, and brushing off others. Scientists have long ...

Medically reviewed by Sanja Jelic, MD As we sleep, our brain moves through four stages and two phases: non-rapid eye movement ...

Around 70% of college students report getting less than eight hours of sleep a night. With looming deadlines, buzzing social ...

Each night, we spend about two hours dreaming, most of which happens during REM sleep. During this stage, our brain waves are active, and our eyes move rapidly. But muscles experience temporary ...

In basic terms, restorative sleep happens when brain activity during sleep helps restore your body and mind, essentially resetting you for another day of activity. Although experts continue to ...

People on TikTok and other social media say they feel more alert when they have had fewer hours of sleep—but sleep scientists ...

To get to the bottom of what happens to your skin during ... “A dip in progesterone levels during menopause can also impact quality and quantity of sleep, which can also negatively impact ...