Sleep

Not getting eight hours? It may not be a problem.

That evening jolt of java doesn't just keep you up at night. It also confuses your natural sleep-wake cycle.

A new study finds lack of shut-eye weakens the immune system and makes a person susceptible to getting sick.

A new report from the CDC suggests we should let kids stay in bed a little longer.

Study finds that sleep improves memory, could lessen effects of dementia.

Study on mice finds that an irregular sleep pattern speeds up tumor growth.

The Arkansas woman said avoiding fast food was a key to longevity.

Misao Okawa had recently been designated the world's oldest person.

Misao Okawa says she wonders why she's lived long enough to see three centuries

Sleep is crucial to our health. So why do we seem hell-bent on getting by with less and less of it?

Next time you're late to work, blame it on this.

The Nudging Pillow will cure your mate of snoring—or maybe cure you of being married

Scientists may have finally figured out why we sleep, and the answer could help beat Alzheimer's