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Evaluation of sleep using ambulatory skin potential recording:Differences between morning and evening type
Authors:YASUFUMI SHIIHARA MD  PhD    MASAMI NAKAJIMA MD  PhD    YUKIHITO MIYAZAKI  TOSHIYUKI NAKAMIYA  MASANORI MIYAMOTO MD    SHIGERU TAKAHASHI MD PhD   MASAHISA KODAMA PhD
Affiliation:School of Health Sciences, Gunma University School of Medicine;Department of Psychiatry, Gunma University School of Medicine, Maebashi Gunma;School of Human Sciences, Waseda University, Tokorozawa Saitama;Gunma Mental Health Center, Maebashi Gunma, Japan
Abstract:Abstract In order to validate the evaluation of sleep using cassette type ambulatory skin potential measurement system (C-SPA), sleep duration variables extracted from 24 h recordings were compared between two groups (16 of the intermediate type and 16 of the evening type) with different sleep-wake habits rated by Morningness and Eveningness Questionnaires (MEQ). Compared with the intermediate type, the evening type subjects go to bed and get up later, have difficulty in falling asleep and more frequently awaken during sleep. Thus, the sleep variables by C-SPA provide valuable information about duration of sleep and differentiate the Sleep-wake habits.
Keywords:ambulatory recording    morningness and eveningness    skin potential    sleep variables
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