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 ...

Is deep sleep better than light sleep, even if it's shorter? Experts break it all down. FG Trade via Getty Images We’ve all been there: Maybe you were frantically packing for a trip and only got a few ...

Think your brain’s taking a vacation when you’re sleeping? Think again. Scientists at Charité – Universitätsmedizin Berlin just dropped some major knowledge bombs about what’s really going down during ...

Neuroscientists have discovered a surprising new source of deep-sleep brain waves, shaking up our understanding of the architecture of sleep and how we treat sleep disorders. Our sleep is divided into ...

Getting good sleep is an important part of wellness for many reasons, but new research suggests deep sleep may even guard against memory loss linked to Alzheimer's. While disrupted sleep has been ...

Uncontrolled sleep apnea — a disorder in which people stop breathing for 10 seconds or more at a time multiple times a night — may harm future brain health, a new study found. It’s estimated 936 ...

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 ...

Share on Pinterest Might deep sleep play a role in blood sugar control? Image credit: Igor Ustynskyy/Getty Images. Also concerningly, in 2019, 96 million Americans aged 18 and older had prediabetes, ...