Researchers found that sleep needs can vary by region—and culture plays a bigger role than you think. If you’ve exhausted ...

The average sleep time ... six and a half hours of sleep a night to feel well rested had. Family members who inherited one copy of this gene had a shortened sleep cycle. Generally, people with ...

Sleep is critical to peak health. Some of the adverse health effects attributed to too little sleep include obesity, diabetes ...

Infants spend the majority of their first months in a sleep state, though their sleep cycles are very different from adults. Newborns sleep between 14 to 17 hours a day but they don’t sleep for ...