explainlikeimfive-ModTeam t1_j1bsnnj wrote
Reply to comment by [deleted] in ELI5: If yawning is so the brain can get more oxygen, why do we seem mostly yawn when tired or bored? by StormCloudzz
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664C0F7EFEFFE6 t1_j1bv3yo wrote
Bruh, there is no definitive proven answer to why. They’re all theories with limited data.
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