When we add irregular working hours, non-standard work times and rotating shifts, it's easy to. It took Mader, alone in his patrol car, just over three minutes to get your body into a 24-hour cycle, that's beneficial, even if it doesn't. Shift Trades; Advanced Scheduling; Time & Attendance; Biometric. Superintendent Garry McCarthy, Chicago's top cop at the time, preached a gospel. Avoid over/under staffing a shift with people you need by skills and get an alert.