Stretch and breathe deeply, so that the head leans back as far as possible and the arm stretches back, so that the blood flowing into the head increases and the nutrition supplied to the brain is more adequate; It can also make the waist move, so that the waist muscles are gradually developed and become stronger and stronger; And maintain the correct position of the spine to prevent hunchback from bending forward, which has a certain effect on strengthening the body.

Therefore, "stretching is not lazy", not limited by time and place, can complete this beneficial activity when chatting, walking, reading and waiting for the bus.

Many people think yawning is indecent and will make people feel depressed. In fact, yawning, like burping and sneezing, is a natural physiological reaction of human beings. Not only don't "hold back", but also put it down for good health.

Yawning and relaxing is good for your health.

Yawning is a reaction signal of nerve fatigue, indicating that excitement is about to reach or has reached the threshold, and it should be turned into inhibition and rest, otherwise it will be a trance, get twice the result with half the effort, and may even be neurasthenia for a long time, which will seriously affect health.

Yawning, like exercise, requires deep breathing, increasing vital capacity and oxygen supply for physiological activities, discharging waste gas and accelerating metabolism, which is well understood by many western doctors.

In fact, from the perspective of traditional Qigong health preservation in China, yawning is a typical Qigong method: naturally relax (yawning is generally unconscious, but people with Qigong literacy can artificially guide themselves to yawn and recover from fatigue), take a deep breath evenly, and open and close the upper and lower jaws, just like a winch. When we yawn with our mouth open, our chest and head feel a sense of urgency. You will feel relaxed after closing your mouth. This is the regulating function of qi.