Seeing or hearing someone yawn can make you yawn. This phenomenon is not limited to humans; some animals experience contagious yawning, too. But why is yawning contagious? Brain cells called mirror ...

Rather than catching a yawn on sight, muscles squeezing the uterus could be the trigger for a fetus to catch a yawn from its ...

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 ...

It’s ancient, unstoppable and strangely contagious. Here’s what science now knows about the humble yawn, and why evolution ...

Yawning is incredibly contagious, and more often than not, seeing someone yawn right in front of us makes us instinctively do ...

A new scientific study suggests contagious yawning may begin before birth, with researchers discovering that unborn babies ...

Many of the videos suggest social mirroring, which happens when individuals unintentionally imitate the actions of others, along with empathy, may be why some people yawn when they see others do it ...

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 ...

New research finds lions that have just yawned together are more likely to move in unison. Tambako The Jaguar via Flickr under CC BY-ND 2.0 Yawning is contagious for animals as well as humans, but ...

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 ...