Body & Brain

Your Body Clock

Name: Your Body Clock
Duration: 78 s
Description: A tiny brain region keeps 24-hour time using light. Screens at night confuse it.

A tiny brain region keeps 24-hour time using light. Screens at night confuse it.

You wake up around the same time. Get hungry around lunch. Sleepy at night. All without checking a clock. Why?

Concepts you just met

Circadian RhythmSCNMelatoninJet Lag