Why people yawn when they are sleepy? Are there any biological reasons behind yawning? 648 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 27, 2023 0 Comments Do people also yawn by reading about yawn? Because I’m yawning non-stop. You are viewing 1 out of 26 answers, click here to view all answers. Register or Login
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