Resident Doctor Luo Shengsheng is basically at Dr. Zhou's beck and call when it comes to Digestive Internal Medicine.
This kind of special treatment is only available to Dr. Zhou as a resident in training.
One shouldn't underestimate the convenience that comes with an invisible status, it can often be a big help. Not to mention night shifts, where other doctors and nurses help keep an eye on patients, so one can sleep soundly in the on-call room at night.
Some residents need to work shifts of 36 hours, a super-intensive duration of continuous work that even Ironmen can't withstand without sneaking in some naps along the way.
Being able to sleep for a few hours during a shift means one can fully recharge the next day.
It can also prevent sudden death.
...
