There are more interesting facts to a yawn that you would think, just look at the list below:
- It is highly contagious
- It has no cure and not a scientific reason why it is contagious
- Even by looking at someone yawning or a picture of it you automatically do it
- An average person yawns 4-6 times per day
Did you yawn reading this post or looking at the picture? I did. I yawned 4 times meanwhile writing this post and looking at pictures of people yawning.