In the PGY-1 year, interns have a combination of night shift blocks for CMHH inpatient floors and a shift system consisting of long or short days as well as night shifts on NICU, LBJ inpatient floor, and MDA Oncology floors.

In the PGY-2 and PGY-3, seniors take 28-hour calls every 4 days during CMHH inpatient floor and varying frequencies of 28-hour calls (on average every 5-7 days) on NICU as well as PICU. Residents also take 2-3 in house night calls during easier months as Special Care (covering floor teams not on call and primary patients of subspecialty services including Cardiology, Neurology, Nephrology, and sometimes Gastroenterology) and LBJ Super (covering LBJ pediatric floor team and assisting with nursery).   Second year residents have 1 call free month and third year residents have 3 call free months.