Sleep paralysis is common, and rarely harmful, though it can be scary. Here's what you should know about the causes, risk ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Baland Jalal lay in bed terrified ...

Sleep inertia occurs when your body is fighting to stay asleep when you want it to wake up. It generally feels like a temporary disorientation and drop in performance or mood after you wake up. Here's ...

Everyone needs 6 to 8 hours of sleep every day. A good, complete sleep refreshes us and makes us feel energetic throughout ...