In this issue of Sleep Medicine Clinics, guest editors Drs. Michelle Cao and Sunil Sharma bring their considerable expertise to the topic of Hospital Sleep Medicine and Non-Invasive Ventilation. Inpatient sleep medicine consultation service is a new subspecialty that can greatly enhance the care of patients with complex sleep related respiratory disorders as well as provide a smooth transition to outpatient management. Many common sleep-related respiratory conditions are encountered in the hospital setting, and these patients benefit from specialized inpatient management by experts in pulmonology and sleep medicine.