What's the reason for yawning

summary

Under normal circumstances, when people are sleepy, there will be symptoms of yawning, and sometimes, people yawn is not caused by sleepiness, so let's understand the causes of frequent yawning.

What's the reason for yawning

First of all: the deficiency of kidney shown by yawning is generally the deficiency of kidney yang. In addition to yawning and mental fatigue, this kind of people are often accompanied by white complexion, cold shape, cold limbs, less food, abdominal distension, loose stool, increased nocturia (or clear and long urine) and other symptoms. If you look at the head of the tongue, you can also find symptoms such as light tongue, white tongue coating, blue lips and so on.

Second: a yawn time is about 6 seconds, in this period may be to make people shut up, the whole body nerves, muscles get complete relaxation.

Finally: frequent yawning may also be related to brain hypoxia. Generally speaking, when people yawn, they will increase the oxygen in their blood pressure by breathing and emit more carbon dioxide, thus making people more energetic.

matters needing attention

After we have a clear understanding of the causes of frequent yawning, we should also pay attention to develop good living habits and try to avoid staying up too late.