Yawning is like a brain stretch. When you're tired, your brain slows down, and yawning helps it wake up again. It also makes people around you yawn because of a kind of invisible brain connection we all have.
Examples
- When you're tired after a long day, you start yawning repeatedly.
- Your friend yawns during class, and suddenly everyone starts yawning too.
- A baby sees their parent yawn and copies them right away.
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See also
- Why Do Humans Yawn When They’re Tired?
- Why Do Humans Get the 'Butt-Head' Feeling When They're Stressed?
- Why Do We Twitch When We’re Falling Asleep?
- Why do humans dream and what purpose does it serve?
- What Is the Purpose of Dreams?