Can you actually catch a yawn?
COSMOS magazine,
Why do we yawn and why do we yawn when another person yawns? Is it really possible to catch a yawn? Why do we do it anyway?
Why do we yawn and why do we yawn when another person yawns? Is it really possible to catch a yawn? Why do we do it anyway?
The average adult yawns about 20 times a day. But why? We can’t all be that tired.
The average adult yawns about 20 times a day. But why? Surely we can’t all be that tired.
The average adult yawns about 20 times a day. But why? Surely we can’t all be that tired.