On how to make the big cat sleep obediently [Time Travel]

The candlelight flickered and cast some weird shadows on the bed curtain.

Doctor Qin knelt in front of the bed, first with his hands, then with a utensil, moving in the emperor's mouth, as if cleaning something.

After an unknown amount of time, the patient on the bed suddenly made some uncomfortable sounds, and then vomited something.

Doctor Qin continued to kneel there as if he didn't realize it, and after an unknown amount of time, he backed away.