1, Long working hours: The working hours of Nakata fitness instructor are from 9 am to 9 pm or even later, and he has to go to work on weekends. Working long hours can make people feel very tired.

2, physical consumption: Nakata fitness coach needs to help members to carry out fitness training, including strength training, aerobic exercise and so on. Fitness instructors need to pay a lot of physical strength and energy when helping members to train, which will make them feel tired.