Researchers believe the yawning robot may have triggered some biological mechanism in the chimps that they associated with sleep. Image: Popular Science composite, Getty Images/ RMJM, Aline ...

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 contagious, not just among humans but also animals. Contagious yawning is thought to be linked to mirror neurons-cells in the brain that fire both when we do something and when we see ...

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 ...

Johanna Simkin does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

a. An individual (on the right) yawned during a resting period. b. A few seconds later, the subject (on the left) yawned contagiously. Disclaimer: AAAS and EurekAlert! are not responsible for the ...

Yawning is one of the most common reflexes in our body. It is usually harmless and mostly indicates tiredness or fatigue. However, excessive yawning can be concerning. When you yawn too much, it could ...

Some people yawn a lot while others almost never seem to yawn. Unfortunately, yawning frequently can lead to uncomfortable situations, for example in social situations. For example, if someone tells a ...