Why do we yawn? Is it because of boredom or drowsiness or fatigue?

Why do we yawn?

Is it because of boredom or drowsiness or fatigue?

Probably not, said French researcher yawn is a natural function refers to an increase in activity, or even to the underlying desire to change the subject. Why do we yawn question by Hippocrates the father of medicine, who lived in the 4th century BC, and also answered, explaining that the yawning "polluted air is expelled from the lungs" and restores blood flow to the brain.

This interpretation is very reasonable, yawning mean a strong bout of breathing cycle. Where the size of the esophageal opening four times larger than its size in normal times.

Yawning is usually sleepy and relax and feel more, sleep or hours approaching alasikaz, it also brings an instant feeling of boredom. Science explains the process of yawning as a means to enter additional quantity of oxygen to our brain to act as a stimulant for the brain (However, this is not an embryo. auditory imagery revealed that the embryos from third month. yawn to the point where one codec seems to elicit a standing! however, the fetus is pulled low partial oxygen.

If a yawn?

Olivier valosinski-expert in the subject of yawn. They considered the yawn that awakens the neurons connected by chemical reaction in the brain. It is a backlash arose as a result of a decrease in muscle strength observed after several trials, Olivier that Parkinson's patients who suffer from a bug in dopamine did not yawn. While some depressed who are treated with medication doubled the secretion of alsirotin. A substance produced by some intestinal cells are powerful spells from the yawn cannot be stopped.

Olivier also noted that some kind of infection infect all who watched one of the yawning. What the story of this infection?!

It seems that the worlds to know a lot about animal behavior yawn contagion. Says Bertrand dibort, specialist in primates: yawn infection when monkeys mngaben serve as a communication and networking. And when other races. They express a desire for amusement or flaunt sexual potency or message to the peace. In short, the yawn for the doctor Olivier old post hides many secrets and mysteries

Hidden meaning!

There is an old saying that good the yawning infects seven others infected. The US has been able to Robert brufen, Professor of Psychology at the University of Maryland, this is installed through a series of tests conducted by the students, I've forced them to watch a video about yawns and without observations. It found that vision play an essential role in transmission. Biden watch mouth yawning does not raise any reaction when the other, if the rest of the yawning face covered with a mask.

It is also known that the children before the age of two years. Are not affected by a lot of others.

The reason is because the infection travels through the frontal lobe is formed when children at that age.

Apart from the human, we believe that the yawn contagion phenomenon exists only when the monkeys. It is a system of communication ease tensions when the Group and coordinate their activities. It yawns may mean the need to move to another topic.

We yawn in time: Doctor Finder valosnski says that 90 percent of people say they yawn between times to 15 times a day, and when it skips the twentieth time number, this means that the yawning live like were hampered, not medical or physical level but also at the community level.

In some cases the yawns are estimated between 5 and 6 per minute. In the case of the usual pace increased, this situation suggests that problems in the nervous system.

In cases of unsatisfactory a yawning peaks at specific times. I admit 75 percent of those polled say they yawn so much in the morning during the supply with them. And 50 percent said they yawn at the end of the day while more than 30 percent yvloun after eating. In fact, everyone seems to be yawning in the morning, at noon and in the evening.

But the question, is there more yawning?

Not specifically, at some races monkeys, only yawns with the dominant male of the group. In contrast, human yawning. Since this process is not limited to a specific category

. Yawning process begins in the womb and only doesn't stop with the end of the age.

There is a universal and unified more than a yawn but there are certain situations that generate or cause a yawn than others. Such as pregnancy in women and the feeling of fullness or fasting period. In addition to choosing the wrong time to travel and the feeling of nausea.