Why Do We Yawn When We're Bored or Tired?

Yawning is like a body reset button, when you're bored or tired, your brain sends a message to take a deep breath and stretch. This helps you feel more awake or refreshed. Sometimes, if someone near you yawns, you might start yawning too because it's contagious, like a tiny group hug.

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Examples

Your teacher starts yawning during class, and suddenly everyone is yawning too.
After watching a long movie, you're tired and start yawning in your seat.
You sit next to someone on the bus who yawns, before you know it, you're doing it too.

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Categories: Culture · yawning· social behavior· human biology