We all need sleep, but does everyone need eight hours a night? Experts discuss how much sleep people need, how sleep impacts ...

Sleep apnea appears to increase a person's odds of developing dementia, a new study finds. The effect seems stronger among ...

Obstructive sleep apnea is a common condition that impacts about 39 million adults in the U.S. But if it’s left untreated, it ...

A University of Michigan study reveals that sleep apnea may elevate dementia risk, with a notably higher impact on women.

After a heart attack, the body is hardwired to sleep in order to recover from injury. New research explores how this happens.

University of California doctors used MRIs to study brain deterioration, and identified a few strategies that keep brains young and healthy.

Daylight saving time officially ends at 2 a.m. local time Sunday. Here's how to adjust your daytime habits to get a good ...

The condition—characterized by episodes of disrupted or restricted breathing during sleep—has previously been seen as ...

Traditional solutions for sleep disorders, including medications and cognitive behavioral therapies, often provide ...

In the wild, several types of whales have been spotted sleeping horizontally, close to the surface. But sperm whales seem to ...

New research suggests that a combination of therapy and sound-induced lucid dreaming can help people with narcolepsy have ...