Yawning is a truly contagious thing. Some people should only look at the yawning person, as his mouth involuntarily opens.
Yawning - what is it?
From the medical point of yawning is a completely trivial process. Specialists characterize it as a respiratory movement, which has an unintentional character, consisting of an exhalation in full force and a sufficiently deep inhalation.
Yawning overcomes people when in the body there is an accumulation of too much carbon dioxide. With a deep inhalation, organorganism receives a large portion of oxygen, which means that it receives strength and energy. This rejects the theory that yawning is a sign of impending sleep. It is established that yawning a person begins already in the womb at the 12th week of life.
They differ in their love for yawning animals, for example, dogs and cats, and not when they go to bed, but before going out for a walk. In nature there are animals that, when yawning, expose all their sharp teeth, thus threatening the enemy. For example, an incredible sight is the yawning of a hippopotamus, it opens its mouth for 150 degrees.
A fascinating experiment
An experiment was conducted in a room with a yawning man, 50% of people with him were infected with yawning. If you sit several people in front of the TV, through which to show yawning actors, then after a while starts to yawn every second, taking part in the experiment. Attention was drawn to the fact that those people with the most active part of the brain responsible for empathy were yawning. From this it follows that if a man yawned next to you, following your yawn, this characterizes him as sensitive and excusive.
What are the causes of yawning?
Yawning does not come simply by air. More often than not, it manifests itself from boredom and lack of sleep, this indicates a retarded reactionorganism. When a person has to do monotonous and boring work, then he is very vulnerable, the yawn simply does not allow him to fall asleep, shakes him.
At some enterprises in Japan, there are certain pauses in the work, during which the workers begin to yawn. In the beginning, this happens deliberately, and further genuine, really. After such a break, the work moves much more quickly, more productively.
The presence of a yawn can also speak of nervousness, for example, waiting for an important meeting or conversation. In this case, yawning helps to relieve stress, mobilizes the reserves of the human body.
An unpleasant manifestation of yawning can be a breach of cerebral circulation, the presence of migraine, vegetative-vascular dystonia and various other health problems, accompanied by weakness and drowsiness throughout the day. In this case, you need to go to an appointment with a neurologist and find the reason for this condition. But in many cases, yawning is necessary and useful, no need to be shy.
Interesting Facts
Men and women yawn with the same frequency, but the first do not cover their mouths with their hands. Collective yawning chimpanzee, if one marmot yawns, then the rest become infected. At the same time, the cubs behave, as if nothing had happened, their yawning does not concern them. Scientists can not solve this.
If you want to get rid of bored yawns, start to move actively. It is necessary to rise from the chair, if there is no such possibility, then just straighten the shoulders, then make some deep sighs.
With a yawn, there are also some superstitions. It was believed earlier that through the mouth open at the yawn, the evil spirits fly. From here it was customary to baptize the mouth that opened during the yawn. There is another superstition. The presence of a frequent yawning that someone has jinxed you, but this, as they say, is a superstition in which one should believe.