What are the work and rest hours of the nurses in the emergency department of Quzhou People's Hospital?

I work in this hospital, not in the emergency department. I heard that there used to be continuous shifts, double shifts, night shifts, and preparation shifts. Our general departments have consecutive shifts from 7:30 am to 3 pm, with a half-hour meal break. The two shifts are from 7:30 am to 11:30 pm, and from 2 pm to 5 pm. The emergency department seems to be about the same, but they The night shift is done like this before and after, right? Moreover, after the shift, there is a preparation shift, which means you have to sleep in the hospital all night. If you are busy, you have to get up to help. If you are not busy, you can sleep