Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." - Illustration by Leah Abucayan/Alberto Mier/CNN Baland Jalal lay in bed terrified, ...

Sleep may enhance the brain’s ability to remove harmful waste. Poor or disrupted sleep could raise dementia risk. The brain ...

“Look at your typical week; when do you have to be up earliest and then count back your sleep time,” she says. “If that's ...

Excessive caffeine consumption, common in coffee and energy drinks, can trigger heart palpitations, fatigue, and high blood ...

While occasional 3 a.m. awakenings may be unavoidable, there are science-backed ways to ensure you set yourself up for success before bedtime. For adults under 65, it’s recommended you get seven to ...

Have you ever been so exhausted that you feel basically half-asleep? Turns out, that may be what’s literally going on in your brain, according to a new study published in Nature. In a study of rats, ...

While you might start the day with a shower, studies have shown that a warm bath or shower before bed can actually help you ...

Researchers in Oklahoma have discovered that floating alligators keep half their brain awake as they sleep. Karen Parker/FWC photo As if alligators weren’t intimidating enough, experts have discovered ...

(CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. CNN — (CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our ...

(CNN) — 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, experiencing his own real-life horror ...