Why Do People Yawn When They’re Bored?

Yawning is like stretching your brain. When you're bored, you yawn to wake yourself up and keep your brain alert. It's kind of like how you stretch after sitting still for a long time, it helps you feel more awake.

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Examples

When you're sitting at school and your friend yawns, you do too, it's like a brain stretch.
After lunch, your teacher yawns, and the whole class starts yawning along with them.
You feel sleepy on a bus ride, and you yawn to wake yourself up.

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Categories: Health · yawning· boredom· sleepiness· brain function· contagious behavior