Scientists reveal how sleep protects brain cells, manages metabolic damage, and may help explain links to Alzheimer’s disease.

A brief afternoon nap may reset key brain processes, helping the mind stay flexible, focused, and ready to learn.

Here’s what you’ll learn when you read this story: We have evolved a sleep cycle that goes from non-REM to REM sleep and back again, but until now, the biological function of this oscillation was ...

Caffeine doesn't just make it harder to fall asleep; it changes how the brain behaves during rest. New research shows that caffeine alters brain activity in ways that make sleep look more like ...

Discover the effects of sleep deprivation on your brain and body, impacting cognition, mood, metabolism, and overall health.

Late-night scrolling isn’t the only thing sabotaging your slumber. New research suggests that a common daily habit may send your brain into overdrive while you sleep — even if you do it hours before ...

Want to give your brain a boost? It might be time for a "synaptic reset." New research suggests that a short midday nap can ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT study reveals how sleep deprivation causes your brain to flush itself clean while you’re awake, disrupting focus and ...

SUNDAY, June 1, 2025 (HealthDay News) — Your morning cup of coffee might help you power through the day — but could it be keeping your brain too alert at night, even while you sleep? A new study ...