In beginning of spring, it is necessary to "go to bed late and get up early". Su Wen recorded that in early spring, it is necessary to go to bed late and go to bed early in order to keep fit.

From the perspective, there is also a folk song "It rains in beginning of spring, get up early and go to bed late". After beginning of spring, the weather became warmer, the sun rose and everything revived. As time goes on, the days are getting longer and longer, and the nights are getting shorter and shorter, so our work and rest should be adjusted accordingly, so it is necessary to "go to bed late and get up early" at this time.

Doing so can prevent the human body from being impacted by the breath of spring. In fact, "going to bed late and getting up early" is a fitness method that conforms to the trend, otherwise it will have many bad consequences. For example, it will lead to the suppression of human yang, which will make the human breath not smooth, and evil spirits will also take advantage of it, which will make people get angry and may also hurt the liver and make the liver qi not smooth. Due to the suppression of yang qi, cold pathological changes may occur in summer, resulting in lack of energy and a series of diseases.

Therefore, "going to bed late and getting up early" in beginning of spring season can give the human body a chance to grow hair, which is a more scientific way of keeping in good health.

Of course, "staying up late and getting up early" should be enough, not extreme, staying up late and getting up early. The best sleep time in beginning of spring is from 23 pm to 6 am.