These three days are the first three days of summer: May 20th and February 22nd. The summer solar terms in 2022 are August 23rd, 2022 1 1: 00, 15: 59, and July 26th of the lunar calendar. Twenty-four solar terms: where to go, where to go and where to stop. It means termination here, that is to say, the hot summer is coming to an end, that's all. In ancient China, the summer heat was divided into three periods: first, the eagle was a sacrificial bird; Second, wait for the beginning of heaven and earth; Three Hou he naideng. It means that eagles begin to prey on birds in large numbers in summer solar terms; Everything between heaven and earth began to wither; He Naideng's five grains refer to millet, millet, rice and sorghum crops, which means that they will mature when they climb up. Summer is a solar term reflecting the temperature change. It means hiding and ending, and the heat of summer means that the hot summer is over. So the weather will get cold in the future.

Matters needing attention in summer heat preservation

Matters needing attention in summer heat preservation

Sleep is also important. The solar terms in summer are in the alternate period from hot to cool, and the yang in nature tends to converge, and the ups and downs of yin and yang in the human body also change accordingly. At this time, the daily routine should be adjusted accordingly. In autumn, the first thing to adjust is sleep time. As we all know, people go to bed early and get up early. Modern research has found that from 0 pm to 4 pm, the functions of various organs in the body drop to the lowest point; At noon 12 to 13, it is the most tired time for human sympathetic nerves. Statistics show that sleeping at noon for the elderly can reduce the incidence of cardiovascular and cerebrovascular diseases. Sleeping more is good for your health.