Thats very interesting...They've come a long way..
Fact; Yawning is contagious. If you watch someone yawn, there's a chance you'll yawn. Even thinking about yawning might make you yawn. After reading this, there is a 30% chance that you will yawn.
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stu·pe·fy/(Verb)
1. Make (someone) unable to think or feel properly.
2. Astonish and shock.
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