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日出而作,日没而息,是人类自古以来的习惯。随着社会的进步,不但刀耕火种被人类抛弃,日出而作,日投而息的习惯也正被人类打破,定期上夜班的人日益增多。特别是在矿山,三班倒的职工占有极大的比例。由于人体生物钟的作用,在这些人当中、不少人白天睡不好、吃不香、周身无力疲乏,既影响了工作又影响了身体健康。所以确保三班倒、特别是夜班矿工
It is the habit of mankind since ancient times to make sunrise and not to breathe. With the progress of society, not only has the slash and burn of fire been abandoned by mankind, but the habit of sunrise and surrender is also being broken by mankind. The number of people who work on night shifts regularly increases. Especially in mines, three shifts occupy a large proportion of workers. Because of the role of the human body clock, among these people, many people sleep well during the day, eat unpleasantly, and feel tired and exhausted. This not only affects their work but also affects their health. So to ensure three shifts, especially night shift miners