Ever woken up to find your socks in the fridge or your keys in the sink, with no memory of how they got there? Sleepwalking isn’t just a quirky movie trope. It’s a real sleep disorder affecting people ...

Dear Dr. Gott: What causes sleepwalking. Is it curable? Dear Reader: Sleepwalking (somnambulism) is a relatively rare and poorly understood phenomenon, most often seen in children, and marked by the ...

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

Learn facts about sleep, during which the body rests, recuperates and performs essential repairs. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.