All you hot heads out there

Yawning is typically linked to tiredness, but a group of researchers from Princeton and the University of Arizona have found it may simply be a means to regulate brain temperature.

The researchers found yawning frequency correlates with the season and yawning is more likely when the temperature outside is less than the temperature of the brain. Their argument is that keeping your mouth agape helps regulate the temperature of the brain by exposing the roof to cooler air. In the author’s previous studies, cooler brains have been linked to alertness, which might help explain why we yawn when we’re tired.

This explains it!
OK. It might explain why I yawn, but now I wanna know why my brain is too warm?

You see.. I’ve over-worked my brain. Yeah… that’s it.

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