Alcohol might help you fall asleep, but drinking before bed leads to less restful and restorative sleep. Here's why alcohol ...

Your nightly sleep cycle plays a key role in the quality of your sleep. Here's what happens in each stage and why it matters ...

Taking longer to fall into REM—the dream stage of sleep—is linked to a higher risk of Alzheimer’s disease, a new study found. REM sleep is essential for learning and memory, and a delay may disrupt ...

This study examines how sleep influences memory, revealing the interplay between emotional cues and intentional recall in ...

During REM sleep, the body enters a state of paralysis. This can pose a danger for patients with weakened diaphragms due to neuromuscular diseases. Now new research published at the ATS 2025 ...

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, ...

Just because you feel rested, doesn't mean you got a quality night's sleep. The Apple Watch can now rate your rest with a sleep score. Here's how it works.

You can see it coming in right there, that little spot,” says neuroscientist and engineer Laura Lewis. A remarkably bright pulsing dot has appeared on the monitor in front of us. We are watching, in ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Alzheimer’s disease is a devastating condition that impacts millions of families around the world. But ...

This acid encourages the release of norepinephrine, which can stimulate the brain too much and keep you awake. “Foods that are high in tyramine include tomatoes, aubergines, soy sauce, red wine and ...

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 ...

Ever wake up convinced something happened that actually didn’t? That vivid memory of a conversation with your friend, a movie you’re sure you watched, or an event that feels completely real but never ...