You Never Noticed That Your Yawn Is 250,000 Years Old
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You Never Noticed That Your Yawn Is 250,000 Years Old
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Tonight, you'll sit across from someone you love, and one of you will yawn. Seconds later, the other one will too. You won't decide to do it — it will simply happen. But the real reason has nothing to do with being tired.
In this video, you'll discover why scientists ruled out the "low oxygen" theory of yawning decades ago, and what's actually happening in your brain when a yawn spreads from one person to another. You'll learn why family members catch each other's yawns more than strangers do, why your dog yawns when you do, and why this single two-second behavior may be one of the oldest signals your nervous system has for tracking who you trust.
If this reframed something you do every single day without ever thinking about it, hit like, drop a comment with the last person whose yawn you caught, and subscribe for more videos that turn ordinary human behavior into ancient history.
In this video, you'll discover why scientists ruled out the "low oxygen" theory of yawning decades ago, and what's actually happening in your brain when a yawn spreads from one person to another. You'll learn why family members catch each other's yawns more than strangers do, why your dog yawns when you do, and why this single two-second behavior may be one of the oldest signals your nervous system has for tracking who you trust.
If this reframed something you do every single day without ever thinking about it, hit like, drop a comment with the last person whose yawn you caught, and subscribe for more videos that turn ordinary human behavior into ancient history.
