Just a few days ago, Beijing TV's "Yangshengtang" program talked about this problem, as long as the routine is good. For example, people who work at night always work at night and sleep during the day, but it is not good if they work in three shifts. My father worked the morning shift last week (5: 00 to 13: 00), the night shift the week before (20: 00 to 5: 00 the next morning) and the middle shift the week before (13 to 20: 00). Changing the rules once a week is not good for him.
Satisfied, please adopt.