A hospital is meant to be a safe haven for patients, and Dr. Sunil Sharma understands it’s his job to keep it that way — which is why a nagging suspicion led the section chief of Pulmonary, Critical Care and Sleep Medicine and director of the WVU Medical Intensive Care Unit and Pulmonary and Sleep Medicine Program Development to conduct a year-long study after sending enough people with respiratory failure to ICU, often in the middle of the night.