Follow procedural protocols [such as Multiple Sleep Latency Test (MSLT), Maintenance of Wakefulness Test (MWT), parasomnia studies, PAP and oxygen titration, etc.] to ensure collection of appropriate data. When patient arrives, verify identification, collect documents and obtain consent for the study. Apply electrodes and sensors according to accepted published standards. Perform appropriate physiological calibrations to ensure proper signals and make required adjustments. Follow "lights out" procedures to establish and document baseline values (such as body position, oxyhemoglobin saturation, respiratory and heart rates, etc.). Perform data acquisition while monitoring study-tracing quality to ensure signals are artifact-free. Identify, correct and document artifact. Document routine observations, including sleep stages and clinical events, changes in procedure, and other significant events in order to facilitate scoring and interpretation of polysomnographic results. Implement appropriate interventions (including actions necessary for patient safety and therapeutic intervention such as positive airway pressure, oxygen administration, etc.). Follow "lights on" procedures to verify integrity of collected data and complete the data collection process (e.g. repeat the physiological and instrument calibrations and instruct the patient on completing questionnaires, checking for completeness, etc.). Demonstrate the knowledge and skills necessary to recognize and provide age specific care in the treatment, assessment, and education of neonatal, pediatric, adolescent, adult, and geriatric patients. Follow sleep center protocols related to the sleep study. Demonstrate adherence to cleaning and disinfection procedures. Monitor patient safety and adhere to patient safety protocols.