Rochak sansar » "हाइ किन आउँछ ? कहिलेदेखि आउँछ ? केही जान्नैपर्ने तथ्यहरु

When you see other yawning you also feel like yawning. This may have happened to you too.So why does this happen?which time do you yawn?After what age you are to yawn?These question are really interesting but you may not know the answers for these.

Although yawning is common physical process but there are some small-big things related to this which we actually do not notice about. when seeing another yawning the one who is seeing also yawns.One after another all people may start yawning. So is yawning a communicable process?but it is not. There are many wrong thoughts or interpretation of yawning in our society. Most of people thinks it has feeling sleepy or as a sign of being lazy.But according to scientist this is not the sign of sleepiness or being lazy.
According to the research carried out by the scientist of Prince ton University of Britain, yawing is not the sign of sleepiness or laziness but is the process which keep the temperature of our brain balance. The structure and physical process of our body is such that mouth get opened while yawning in any time.This balance the temperature of our body and also stretch the facial muscles.



According to the research published by American Academy of Sleep Medicine, while yawning our body get enough supply of oxygen and meets the requirement of oxygen in our body.So when there no enough oxygen in lungs to sent it to blood, a huge among of oxygen enter through the mouth when we yawn to our lungs so that there will be enough oxygen supply to blood.To keep the wall of brain fresh there occur yawn in the direction of brain itself.
According to study done in 2004 50% of people yawn when they see someone yawning in front of them.Again in the study of 2012 those people genetically or emotionally attached people often yawn whenever they see other yawning.
Not only human some other animal also yawns.when do human start to yawn? you may be surprised when you hear this answer. An unborn child of 11 weeks starts to yawn in their mother’s womb. Commonly people can yawn for 6 second. In the life span of human they usually have 2 lakh 40 thousand yawns.
According to American Academy of Sleep Medicine it is very common things to yawn.But when you have yawn fast than usual then it may be the sign that you are not getting enough sleep so to stop it you need to have proper sleep.But if it didn’t stop then it may be sign of some kind of sickness.It is very bad to stop yawning when you want to yawn as is cause negative effect in biological process of the body.source:butal online