The average adult yawns about 20 times a day. But why? Surely we can’t all be that tired. The truth is, the science behind yawning is more complex than just a few hours too little sleep. Even more ...

Many of the videos suggest social mirroring, which happens when individuals unintentionally imitate the actions of others, along with empathy, may be why some people yawn when they see others do it ...

Teachers might have told you off for doing it, and your parents used it to try to get you to go to bed earlier. It’s rude to do it in a meeting, and seeing someone else doing it (even if they cover ...

Add Yahoo as a preferred source to see more of our stories on Google. No one is entirely sure why we yawn — it’s one of the questions that still remains a mystery. But that hasn’t stopped scientists ...

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Contagious yawning isn’t a myth. It’s a real, scientifically demonstrable phenomenon. We yawn when we see someone else yawn. The sound of yawning makes us yawn. The yawning contagion can even spread ...