By upgrading your hospital you will obtain additional rewards, such as hearts, energy or items. Staff members need to be assigned to departments to turn them active. By assigning staff members to the departments the patients will become inbound, outbound or processed. Rooms like reception and garage draw in patients. Doctors and surgeons treat patients in treatment rooms. In post-treatment they are placed in open beds to recover. Nurses in wards are used to discharge healed patients, making room for newcomers.