It might be worth working a little bit harder to get that much-desired, but often elusive, good night's sleep. Deep sleep clears the mind of waste just as a "dishwasher" cleans dirty plates and ...

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Few experiences rival the calm satisfaction of falling asleep easily and waking up feeling fully rested. But sleep is more than a luxury or idle downtime, it’s a vital biological process that supports ...

Deep sleep is critical to cognitive function. It helps to consolidate memory, focus, and increase problem-solving abilities. When you sleep well, your brain processes information more efficiently, ...

Need to solve a problem? You might want to sleep on it—for about 20 minutes. New research suggests that taking a quick, deep nap may help lead to a “eureka” moment, as scientists reported last week in ...

Don’t sleep on an early bedtime. The average American goes to bed at 11.39 p.m., but one expert says we should be preparing for shut eye hours earlier than that. Nutritionist Kate Booker says the best ...