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 ...

Add Yahoo as a preferred source to see more of our stories on Google. So why exactly do we yawn? And why is it nearly impossible to stifle a yawn when someone does it in front of you? Let’s find out.

Contagious yawning refers to the tendency of individuals to yawn after seeing, hearing, or even thinking about someone else yawning. About 40% to 60% of people exhibit contagious yawning when exposed ...

Yawning is incredibly contagious, and more often than not, seeing someone yawn right in front of us makes us instinctively do the same. It is often tied to social and emotional connection and brain ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American When is a yawn just a yawn? When is a yawn ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

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 ...

Your body has millions of parts working together every second of every day. In this series, Dr. Jen Caudle, a board-certified family medicine physician and an associate professor at Rowan University ...