Often undiagnosed, sleep apnea can quietly affect brain health, impacting memory, focus, and mood. A closer look at the signs ...

If you find it hard to focus after a wakeful night, it’s because your brain is busy trying to catch up on crucial ...

We already know that the stimulating powers of caffeine make it an unsuitable choice for a late-night drink – at least if you want to get any shut-eye. But a new study adds a whole extra level of ...

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 ...

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 ...

This viral sleep hack, called cognitive shuffling, has TikTok talking. Try it tonight and see if it improves your sleep.

Researchers have discovered neurons in mice that help their brains track and recover from sleep debt. If a similar pathway exists in humans, it could improve treatments for sleep disorders and other ...

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

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 ...