20 Amazing Things Your Body Does While You Sleep

Sleep facts | Human body facts | What happens when you sleep What happens to your body while you sleep? 😴 Discover 20 amazing things your body does while you sleep — from brain activity and dreaming to REM and non-REM sleep, memory, heart rate, body temperature, muscle activity, and more. Your body doesn't simply “switch off” when you sleep. It continues performing fascinating biological processes throughout the night. 🔬 Real facts. Real science. Weird things your body does. Subscribe to Facts Got Weird for more amazing science and human body facts! #SleepFacts #HumanBodyFacts #FactsGotWeird