A simple slice of science – Why do we yawn?

A simple slice of science – Why do we yawn?

This week’s question comes from seven year old Emily, who, I hear is always asking her mum questions… sometimes her mum even writes about it here.

Emily wants to know….

Why do we yawn?


Dr. Simple will try to stop yawning long enough to answer the question…. because yawning is contagious! See how many times you yawn while reading this and leave us a note in the comments below!



So, go on, tell us how many times did you yawn?


Further reading/references:

The surprising science of yawning

Different yawn, different functions?

In group/out group bias in contagious yawning

Individual Variation in Contagious Yawning Susceptibility Is Highly Stable and Largely Unexplained by Empathy or Other Known Factors.