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 ...

When you were younger, you might have thought older adults went to bed early simply because they loved quiet mornings and a ...

Although children can sleep well, most adults have trouble getting a good night’s sleep. They go to bed each night, but find ...

Making changes to your diet and lifestyle may help improve your sleep quality. Certain supplements and natural remedies could also be beneficial. A good night’s sleep is just as important for your ...

Americans are not getting enough sleep, and it’s starting to take a toll on our health. According to the Centers for Disease Control and Prevention (CDC), adults across the country are sleeping less ...

Deep sleep, like all sleep stages, helps you feel refreshed when you wake up. The proportion of time you need to spend in ...

Why these startup founders and business leaders all swear by a $3,000 temperature-controlled bed cover—and why one chucked ...

Can't get to sleep in the heat? Sleep specialists share simple, expert-backed ways to stay cool and sleep better on hot ...