As a Respiratory Therapist in a Sleep Lab, you are primarily responsible for conducting and monitoring overnight sleep studies, preparing and calibrating equipment, and recording physiological data such as brain waves, breathing patterns, and oxygen levels. You also provide education on sleep disorders and help patients with the fitting and usage of devices like CPAP machines. Collaborative work with physicians, nurses, and other allied health professionals is common to ensure accurate diagnosis and effective treatment plans. The role may also involve documentation, scoring sleep studies, and ongoing patient support, making it a dynamic and patient-centered position.