Discover why sleep is more powerful than you think—and how a lack of it can quietly impact everything from your mood to long‑term brain health.

New research reveals poor sleep shortens life more than diet or exercise. Psychiatrist Dr. Daniel Amen shares what happens to ...

If you’ve ever muddled through the forgetful funk that follows an all-nighter, you know how skimping on sleep can zap your brain power. Scientists have long known poor sleep messes with cognitive ...

Insomnia is often dismissed as a nighttime nuisance, but mounting evidence suggests it is a full‑time brain state that refuses to power down. Instead of smoothly shifting into a quieter, internally ...

People struggling with insomnia tend to hyperfocus on the fact that they can't sleep, which can prevent them from getting any ...

Having trouble sleeping at night could be aging your brain prematurely, according to researchers, resulting in a higher likelihood of developing dementia. People with chronic insomnia, a condition ...

If you’re a chronic insomniac, you might experience faster declines in memory and thinking skills than your better-sleeping fellows. In other words, your brain might age faster. In a study published ...

A Stanford AI model trained on nearly 600,000 hours of sleep data can assess future risk for dementia, heart disease and more ...

Strong circadian rhythms and good sleep may lower dementia risk. Learn how routines, exercise, and lifestyle habits support ...

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

Doctors say frequent yawning can indicate deeper health issues. If you’re a chronic, compulsive yawner then don’t ignore it ...

Learn the hidden signs of sleep apnea, its impact on health, and how effective treatment can restore your energy and improve ...