Why people yawn when they are sleepy? Are there any biological reasons behind yawning? 666 viewsJanuary 1, 2024 Question98.79K May 24, 2023 0 Comments Why people yawn when they are sleepy? Are there any biological reasons behind yawning? In: 299 26 Answers ActiveNewestOldest Anonymous Posted May 24, 2023 0 Comments Ha, read that and just yawned (though it is nearly 10pm and I’ve been up since 5am). Coincidence? I THINK NOT! You are viewing 1 out of 26 answers, click here to view all answers. Register or Login
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