Why do people yawn? Scientists about yawning

Yawning is a very interesting, still unexplored state (or skill) of a person. Yawning passes from one individual to all those around him (remember, it is sweet to yawn one, as immediately following his example involuntarily the others follow). Do it in a boring lecture or when reading a boring book when you wake up or want to sleep. And for a variety of reasons. Why does a person yawn? The scientists have not found an unequivocal answer until now.

Why do people yawn in the morning?

Some scientists believe that morning yawning is closely related to sipping and allows the body to wake up. This is a very long and deep breath, which delivers a huge portion of oxygen into the body. It is thrown into the body, activating the activity of muscles, leading to tonus all the organs. The action of oxygen along with sipping accelerates blood circulation, stimulates the brain, makes a person active.

Why do people yawn under stress?

Paradoxically, a portion of oxygen obtained by yawning can not only activate, but also relax the body. And it happens reflexively, on a subconscious level. It is established that many actors and athletes do this before competitions or speeches, schoolchildren and students - before control and tests. Yawning invigorates the body, adjusts it to the working wave, While stimulating the production of substances that resist stress.

Why do people yawn from boredom?

It is believed that when a person does this from boredom, the body tries to activate with an additional portion of oxygen. All attentive people have often noticed that yawning is quickly transmitted: it is worth doing it to someone alone, as the others involuntarily support it. But it is proved that for children under 6 years of collective yawning does not apply. Unfortunately, scientists have not found an explanation to any one phenomenon yet. They only know that yawning can remove mental stress.

Why do people yawn? Other versions

Reliably established that during yawning the pressure in the middle ear is normalized. That's why the passengers of an airplane are advised to do this, when at the time of climbing, their ears are laid. Still, scientists have found out that during this process, the maxillary sinuses and Eustachian tubes that connect the ear and throat are "blown out". It turns out that yawning is useful for the ears and nose.

When a person is passive and calm, his breathing slows, And the brain receives significantly smaller portions of oxygen. At the moment of yawning, the muscles tense and "adjust" the flow of oxygen. Circulation increases, the brain eats better. The organism becomes active and ready at least to physical, though to mental activity. In passing, yawning normalizes the temperature of the brain, does not allow it to overheat.

Parapsychologists and folk healers think that people yawn when they are jinxed. Forces leave such a person, he lacks air or activity. It feels like a fish on land. This is another version of why people yawn often.

One interesting fact

It is definitely established that for the first time babies begin to yawn, while still in the mother's womb.