First, when people just get up, the body is in a process of gradually waking up from sleep. You may be conscious, but many physical skills are not fully excited.
Second, there is not enough energy for running at this time, and there are not enough nutrients in the air too early in the morning, especially when the sun is not fully out.
Therefore, it is recommended not to be too early in the morning. After the sun comes out, have some breakfast and take a short rest until the nutrition is gradually absorbed, and then go to exercise. Or exercise in the afternoon is also a good choice.
Extended data:
Morning running time.
First of all, the best time for morning running depends on the season. Generally, it is best when the sun just appears, and it is usually around 7 o'clock in winter. In the cold winter, many people choose morning exercises to enhance their immunity. However, outdoor fitness is not as early as possible. Relevant health experts suggest that outdoor fitness in winter should be carried out after sunrise.
Second, the ground temperature is low before sunrise in winter, and the content of pollutants such as carbon monoxide and carbon dioxide released in the air in the morning is high. In addition, harmful pollutants such as nitrogen oxides, hydrocarbons and lead in automobile exhaust also gather on the ground. If people get up early to exercise, they will inhale a lot of smoke and toxic gases.
Long-term exercise in this environment will lead to endogenous hypoxia, and may cause fatigue, dizziness, pharyngitis and other diseases, which is harmful to health.
Third, winter fitness should be around 10. At this time, the sun shines on the ground after coming out, which makes the atmosphere begin to convection up and down, and the polluted air spreads to the sky, which will reduce the harm to the human body. In addition, the temperature is low in winter morning, and it will not slowly ease until half an hour after the sun comes out. It is best to exercise 3-5 times a week.
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