A good night’s sleep does more than just help you feel rested—it might literally clear your mind. A new study published January 8 in the Cell Press journal Cell shows how deep sleep may wash away ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

If you’ve ever felt tired after a full night’s sleep, you likely didn’t get enough deep sleep. This stage of sleep is considered to be the most restful, so getting enough of it is key for your overall ...

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 ...

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 ...