Question:
I've heard yawning is supplying oxygen to the brain. Why does being tired make you yawn? Are we "wake up yawning" in the morning for the same reason as the "tired evening yawning"?
Answers:
Its defineltey contagious and no one really knows why yet.
Yawn while your dog is there and he will yawn too. So it must be contageous. I only yawn when I'm doing nothing.
it's contagious in your mind...if you see someone yawn, you think about it and you can yawn if you try...but you can always yawn if you try. right now, just try to yawn and i guaruntee you can do it.
really, it's all in your mind.
thomas, I just yawned and my doggie didn't...
:(
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