Sleepwalking (somnambulism) is when a person behaves as if awake while in a deep sleep. They might walk, talk, or perform routine activities all while sound asleep. Sleepwalking can happen due to ...

Medically reviewed by Sanja Jelic, MD Key Takeaways Sleep paralysis happens when you wake up but can't move for a few minutes ...

The American Medical Association reports that about 30 million people in the US live with sleep apnea, but only one-fifth of these cases are clinically diagnosed. That means that many people are ...

Insomnia is the most well-known sleep disorder, but it’s far from the only one. Countless people of all ages struggle with sleep disorders that negatively affect the quality of their sleep, cause them ...

Daytime “wash cycles” help clear waste from the brain but cause momentary drops in attention after nights of poor sleep.

I can't stop wondering why I'm exhausted all the time. I get seven hours of sleep but still have low energy. An expert weighs in about causes of tiredness. I have not experienced every sensation ...

Bruxism manifests as two distinct circadian rhythms: sleep bruxism and awake bruxism. Obstructive sleep apnea serves as a significant biological trigger for nocturnal grinding. Chronic untreated ...

Sleep and heart health are closely connected, but many people don’t realize how important good sleep is for keeping the heart healthy. Getting quality sleep is not just about feeling refreshed the ...