Scientists recorded the brain's sleep switch firing in real time - and the feedback loop they uncovered reshapes what we know ...

New research from UC Berkeley suggests that the quality of your deep sleep is doing far more than helping you feel rested. It ...

Many people underestimate the importance of sleep, thinking it is simply a time when the body shuts down. In reality, sleep is a highly active process that keeps the body healthy. A new study from the ...

UC Berkeley researchers have traced the brain circuitry that releases growth hormone during deep sleep, revealing a feedback loop that drives overnight repair and influences when we wake. The largest ...

We've all had those mornings when you can't seem to shake the grogginess—even if you got a full eight hours of sleep. And if ...

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 ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to ...