'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Rapid eye movement (REM) sleep is a stage of sleep. With a lack of REM sleep, symptoms emerge that can affect your health. It can lead to fatigue, irritability, changes in mood and memory, and issues ...

Do you sleep hot or cold? Whether yes or no, you'll want to learn about this cool product my partner and I have been sleeping on for months. Aly Lopez is a writer on the sleep team at CNET.

But too much exercise at the wrong time could aggravate insomnia. By Hannah Singleton Sleep and exercise work together like gears in a machine: When one turns smoothly, the other follows suit.

The best sleeping bags are comfortable, well-padded enough for the time of year you're camping and convenient to pack away and carry. We assembled a small army of testers to try out sleeping bags from ...

Sleeping after a concussion is usually OK and often helps with your recovery. But first, check with your healthcare provider to make sure you don't have a more serious head injury. After a concussion, ...

Children and adolescents need at least 9 hours of sleep every night. Sleep problems and a lack of sleep can have negative effects on children's performance in school, during extracurricular ...

Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research.

Good sleep is crucial for your overall health, but new research suggests it could impact your dementia risk, too. For the study, researchers analyzed data from 445 adults aged 65 and up who lived ...

People with highly irregular wake/sleep rhythms had a 26% increased risk of heart attack, stroke or heart-related death This risk remained significant even if people got the recommended seven to nine ...

Going to bed and waking up at the same time each day has long been thought to benefit sleep quality and now, research has linked doing the opposite with potentially fatal consequences. In one of ...