The Polysomnographic Technician performs comprehensive polysomnographic testing, analysis, and associated interventions under the general supervision of a Polysomnographic Technician (RPSGT) and/or clinical director (MD,PhD) or designee. Gathers and analyzes patient information:  reviews history and physical info, medicines, procedure requests, and study protocol; completes and verifies documentation; explains the procedure and orients the patient to the Sleep Center. Performs testing preparation procedures:  prepares and calibrates equipment required for testing to determine proper functioning and make adjustments, if necessary; applies electrodes and sensors according to accepted published standards; performs appropriate physio