Examples
- You yawn during class because you're bored.
- Your friend yawns, and soon everyone in the room is yawning too.
- Yawning happens when you wake up after a long nap.
See also
- Why Do We Yawn When We're Tired?
- Why Do People Talk in Their Sleep?
- What Makes Some Foods Go Bad Faster Than Others?
- Why Do We Need Sleep?
- What Makes Some People Brave?
Discussion
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Categories: Health · yawning· brain function· neuroscience · Text is available under the Creative Commons Attribution-ShareAlike License.