You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

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 ...

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 ...

A 2021 phone poll revealed that only 34% of Americans "sometimes" remember their dreams. About 1 in 10 say they "almost always" can, and the same percentage say they "never" do. Explanations for such ...

A good night's sleep does more than just help you feel rested--it might literally clear your mind. A new study shows how deep sleep may wash away waste buildup in the brain during waking hours, an ...

We’ve all heard the gospel of sleep hygiene by now. No screens before bed. Keep your bedroom cool and cave-dark. But a recent study out of the University of Chicago, published in the journal Sleep ...

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 ...

SleepLean focuses on optimizing N-REM sleep, the deepest stage of sleep, where most of your metabolic repair happens. Instead ...

Scientists discovered that unhealthy diets can weaken deep sleep quality, even without changing total sleep time. When participants ate junk food, their brain activity showed shallower slow-wave sleep ...