Why is yawning contagious?

So usually we say that yawning is contagious, and usually colds and fevers are contagious because of the spread of the virus, so why is yawning contagious?

Studies have found that yawning is contagious to people's empathy, and the more sympathetic people are, the more likely they are to yawn.

Cognitive neuroscientists have studied magnetic resonance imaging images and found that areas of brain activity during yawning are the same as those when empathy.

In other words, the phenomenon of yawning "contagion" may represent an unconscious mental imitation. Steven Pracze, a psychologist at Drexel University in the United States, concluded that yawning is the most contagious to empathic people, the kind of people who will shout "ouch" when someone steps on something pointy.

If this person happens to be a person who is prone to insomnia, then a Swiss scientist can help him solve this problem. The scientist associated sleep with the contagiousness of yawning, and he created a kind of "sleeping image".

It was a half-length statue of a human head, yawning sweetly and looking sleepy. He believes that people with insomnia just look at this avatar, yawn for a while, and then fall asleep peacefully.

There are many benefits of yawning, which can relieve fatigue, relax and improve work efficiency. So it's good to have nothing to do and hit one.

Yawning is a behavior of the human body that needs to increase oxygen rapidly due to lack of oxygen, and the consequence is to inhale a large mouthful of air and exhale a large mouthful of carbon dioxide, resulting in a short-term decrease in oxygen density in a small area, and other people in the affected range feel the reduction in oxygen density immediately produce a physiological demand for rapid oxygenation, so it is completed through yawning.

People yawn from the moment they are born until the end of their lives. Why people yawn may not be clear why. Possible mechanism A yawn lasts about 6 seconds, during which the person closes his eyes and listens, and the nerves and muscles of the whole body are completely relaxed.

Is yawning contagious? Just try it and you'll find out. High energy ahead, can you hold your mouth that is about to move? It's okay for the "weak-willed" guys, this episode of The Dr. Oz Show will teach you how to break the growing yawning curse.

Why is yawning contagious?