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  2. Polysomnography - Wikipedia

    en.wikipedia.org/wiki/Polysomnography

    Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").

  3. Sleep study - Wikipedia

    en.wikipedia.org/wiki/Sleep_study

    Polysomnography records several body functions during sleep, including brain activity, eye movement, oxygen and carbon dioxide blood levels, heart rate and rhythm, breathing rate and rhythm, the flow of air through the mouth and nose, snoring, body muscle movements, and chest and belly movement. [2]

  4. Somnology - Wikipedia

    en.wikipedia.org/wiki/Somnology

    Pediatric polysomnography patient, Children's Hospital (Saint Louis), 2006. Somnology is the scientific study of sleep. It includes clinical study and treatment of sleep disorders and irregularities. Sleep medicine is a subset of somnology. Hypnology has a similar meaning but includes hypnotic phenomena. [1]

  5. Sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Sleep_disorder

    Polysomnography and actigraphy are tests commonly ordered for diagnosing sleep disorders. Sleep disorders are broadly classified into dyssomnias , parasomnias , circadian rhythm sleep disorders involving the timing of sleep, and other disorders including ones caused by medical or psychological conditions.

  6. Sleep tracking - Wikipedia

    en.wikipedia.org/wiki/Sleep_tracking

    Polysomnography, the "gold standard" method for sleep tracking that requires attaching electrodes and monitors to the patient as they sleep, was developed in the late 1950s. [ 5 ] [ 6 ] [ 7 ] It is considered by sleep researchers as providing the most accurate sleep data, however, it is an expensive, often uncomfortable experience for patients ...

  7. Hypnogram - Wikipedia

    en.wikipedia.org/wiki/Hypnogram

    A hypnogram is a form of polysomnography; it is a graph that represents the stages of sleep as a function of time. It was developed as an easy way to present the recordings of the brain wave activity from an electroencephalogram (EEG) during a period of sleep.

  8. Parasomnia - Wikipedia

    en.wikipedia.org/wiki/Parasomnia

    [1] [2] [22] For most of the other parasomnias, polysomnographic monitoring is a costly, but still supportive tool in the clinical diagnosis. [ 2 ] [ 22 ] The use of actigraphy can be promising in the diagnostical assessment of NREM-related parasomnias, for example to rule out sleep deprivation or other sleep disorders, like circadian sleep ...

  9. Polysomnographic technologist - Wikipedia

    en.wikipedia.org/wiki/Polysomnographic_technologist

    A polysomnographic technologist (formerly called a polysomnographic technician) performs overnight, daytime, or home sleep studies, polysomnograms, on people with suspected sleep disorders. In the United States and worldwide, the process for becoming a polysomnography technician or technologist is primarily either on-the-job or certificate ...