Dr. Anastasia Agaeva indicates that many believe that yawning is due to a lack of oxygen in the body. How true is this belief ...

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 ...

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 ...

Contagious yawning is a widespread phenomenon that extends beyond merely being a sign of drowsiness; it is a behaviour interwoven with both physiological regulation and social communication. Recent ...

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 ...

You know the feeling. It’s getting close to bedtime, you get sleepy, and you start yawning automatically. You may even find yourself yawning in the middle of the day in a mid-day lull. These yawns ...

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 ...

Most vertebrates, including humans, yawn or exhibit similar behaviors. Spotted hyenas, which live in groups, yawn, as do orangutans, which often live alone. Parrots, penguins, and crocodiles also yawn ...

Most people seem to be quite sure they understand yawning. They think it is caused by the need for oxygen, or boredom, or sleepiness. A group of medical scientists (Walusinski 2010) have upset this ...