How should I approach the patient's family with this question? When they went in, Teacher Sun nearly got into an argument with them. Teacher Sun held his temper, but the couple didn't, saying they were going to file a complaint against them.
Rational analysis is essential for any doctor.
No matter what the patient's family says, an inpatient is an inpatient, and doctors have a responsibility to determine whether the patient's irritability is due to an illness or not. If the patient agrees to let them do night rounds, she shouldn't worry. No matter how irritable, it's the doctor's duty to identify problems at night and resolve them promptly.
