| umls-concept:C0162701 | skos:definition | MSH: Simultaneous and continuous monitoring of several parameters during sleep to study normal and abnormal sleep. The study includes monitoring of brain waves, to assess sleep stages, and other physiological variables such as breathing, eye movements, and blood oxygen levels which exhibit a disrupted pattern with sleep disturbances.,CSP: simultaneous and continuous monitoring of relevant normal and abnormal physiological activity during sleep.,NCI: A group of recordings taken during sleep that shows brain wave changes, eye movements, breathing rate, blood pressure, heart rate, and the electrical activity of the heart and other muscles. A polysomnogram may be used to help diagnose sleep disorders.,NCI: Measurement of physiologic parameters during sleep. | lld:umls |
