1, two shifts prove that you have to work at night, and staying up late will do harm to your health. Because adrenocortical hormone and growth hormone are secreted at night. The former is secreted before dawn, which can promote carbohydrate metabolism and ensure muscle development, while the latter is produced after sleep, which not only promotes the growth and development of teenagers, but also delays the aging of middle-aged and elderly people.
2, staying up late will make the body's normal rhythm disorder, thus affecting vision, stomach and sleep.
3, people who stay up late for a long time, skin damage will be very serious. The best time for skin rest is at night. If you sleep late at night, it will increase the burden on your skin and cause a series of skin problems, such as dull complexion and acne.
People who often stay up late can also lead to obesity. People who stay up late like to eat dinner. Eating at night will not only make it difficult to sleep, but also make people lose their appetite the next morning. The resulting nutritional imbalance will lead to obesity.
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Two-shift system is between single-shift system and three-shift system. It requires that the production process can be interrupted, and the plant and mechanical equipment must be sufficient to meet the single-shift system before organization. Because the plant and equipment are in good condition, try to organize a single-shift system. Two-shift system is better than three-shift system, which is beneficial to the study and health of workers and makes full use of 8-hour working hours.
It is necessary to draw a clear line between the two classes and establish a strict system of succession. The output and quality of the two shifts should be recorded, accepted and assessed separately, so as to clarify the responsibilities of the workers in each shift and make them care about their own production results. Three-shift system is divided into morning, middle and evening shifts for continuous production every day, which is generally 6-8 hours. But there are also 8 hours of morning shift, 7.5 hours of middle shift and 6 hours of night shift. This kind of work arrangement is suitable for the operating system of most domestic factories, enterprises and companies.