this post was submitted on 16 Jun 2024
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Microblog Memes

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submitted 5 months ago by BonesOfTheMoon@lemmy.world to c/microblogmemes@lemmy.world
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[–] candyman337@sh.itjust.works 2 points 5 months ago* (last edited 5 months 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