this post was submitted on 16 Jun 2024
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Microblog Memes

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submitted 1 week ago by BonesOfTheMoon to c/microblogmemes
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[–] [email protected] 7 points 1 week ago (5 children)

You do actually! It's called yawning

[–] Eheran 1 points 1 week ago (2 children)

A quick Google does not name this as one of the several reasons for yawning. Any sources on this?

[–] [email protected] 2 points 1 week ago* (last edited 1 week ago)

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3534187/#:~:text=By%20lowering%20brain%20temperature%20and,and%20attention%2C%20thereby%20antagonizing%20sleep.

By lowering brain temperature and maintaining thermal homeostasis, the thermoregulatory theory suggests that instead of prompting sleep, yawning actually serves to maintain focus and attention, thereby antagonizing sleep.

So not concrete but it is one of the prevailing theories for one of the reasons we yawn

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