Why Is Yawning Contagious?
Why Do We Yawn? http://www.twitter.com/Tweetsauce Vsauce SHIRTS: http://www.districtlines.com/vsauce Other peeps in this video: Charlie: http://www.youtube.com/charlieissocoollike Alex:...
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Hey, Vsauce. Michael here. And today we're going to talk aboutyawning.Why do we yawn and why is yawning contagious?How come when I see someone yawn or even think about it it makes mekinda of want to yawn? First things first, definitions.When you yawn, you inhale air andstretch your ear drums. That's why your ears pop when you yawn.Now, if you yawn and at the same time stretch your whole body,that is called pandiculation. A common misconception aboutyawning is that people yawn when they need more air,more oxygen. But studies have shown that no matter how muchoxygen is in the air around a person, they won't yawn more or less frequently.And when people exercise and their bodies do, in fact,need more oxygen, they don't yawn more often.Instead, re...
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Hey, Vsauce. Michael here. And today we're going to talk aboutyawning.Why do we yawn and why is yawning contagious?How come when I see someone yawn or even think about it it makes mekinda of want to yawn? First things first, definitions.When you yawn, you inhale air andstretch your ear drums. That's why your ears pop when you yawn.Now, if you yawn and at the same time stretch your whole body,that is called pandiculation. A common misconception aboutyawning is that people yawn when they need more air,more oxygen. But studies have shown that no matter how muchoxygen is in the air around a person, they won't yawn more or less frequently.And when people exercise and their bodies do, in fact,need more oxygen, they don't yawn more often.Instead, re...
