Interesting News about Yawning

Recently, an article published in the Sunday Times in British uncovered a series of interesting news about yawning.

Professor Murray Hill who comes from Connecticut State University led the study and carried out the observation records on different ages of people. Let’s have more understanding about yawning. Firstly, people can yawn about 24 million times in normal life, counted from the embryo in uterus. Secondly, yawning indeed will be infected, but kids under 4 years old cannot be infected. When people see people around them yawning, 55 percent people will yawn in five minutes. Even the blind will yawn when hearing the voice of yawning. Thirdly, the yawning time for men is longer than that for women. Fourthly, yawning is closely related to people’s character, for example, people who have strong sense of sympathy are easily infected by other. Finally, yawning can stimulate blood circulation in brain, thus making the person maintain and enhance the vigilance.

The researchers also noted that yawning is a petty action which is beneficial for healthy. When people are tied or in bad mood, a yawning, can quickly inhale fresh air, improve work efficiency and drive bad mood away.