Yawning is a complex reflex that may be triggered by changes in state of being, but its purpose is still unknown.

A GP explains the main reasons why we yawn – including the factors that can lead to excessive yawning (apart from tiredness). Welcome back to Just Curious, Strong Women’s weekly series ...

But why? Surely we cannot all be that tired. The truth is the science behind yawning is much more complex than just a few hours too little sleep. Even more complex? Why we seem to yawn because ...

When you wake up in the morning, do you choose to do that curled-fist stretch you always yawn through ― or is it kind of ...

Are you yawning yet? Thought so. Infectious yawns are as frustrating as they are intriguing. Sometimes it's enough to need to see someone yawn, hear them talk about it or even read about it for ...