Emergencies can happen anytime, and ER doctors need to be ready and rested to treat everything from cardiac events to gunshot wounds or broken bones. Their work could mean life or death for the patients in their care. NYC ER doctor George Russo shares how he finds time to rest despite long days and constantly changing shifts in order to put patients first, while pulmonologist and sleep advocate Dr. Seema Khosla weighs in on the benefits of regular sleep for the wellbeing of both doctors and their patients.