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 ...

After treatment, the mice’s memories were essentially shunted back into a younger state. The researchers found that reprogrammed engrams displayed molecular behavior of more youthful cells. Using a ...

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 ...

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

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 ...