Yawning is like a little brain reset. When you're tired, your brain needs more oxygen, and yawning helps it get that fresh air. It also makes you feel more awake. Think of it as your brain saying, 'Hey, I need to wake up!'
Examples
- When your brain feels sleepy, it makes you yawn to wake up like when you're sitting in class after lunch.
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See also
- Why Do People Yawn When They’re Bored or Tired?
- Why Do People Yawn When They Are Tired?
- Why Do People Yawn When They're Tired?
- Why Do Humans Yawn When They’re Tired?
- What Is the Purpose of Dreams?