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Sleep state misperception (SSM) is a term in the International Classification of Sleep Disorders (ICSD) most commonly used for people who mistakenly perceive their sleep as wakefulness,〔Minecan, Daniela, and Antonio Culebras. Patients are otherwise generally in good health,〔 and any ills—such as depression—appear to be more associated with fear of negative consequences of insomnia ("insomnia phobia") than from any actual loss of sleep. Sleep state misperception was adopted by the ICSD to replace two previous diagnostic terminologies: "subjective insomnia complaint without objective findings" and "subjective sleepiness complaint without objective findings."〔 Other synonyms of the term include: paradoxical insomnia, pseudo-insomnia, subjective insomnia, subjective sleepiness, and sleep hypochondriasis.〔 ==Classification== Sleep state misperception is classified as an intrinsic dyssomnia.〔''(Dysomnia causes )''. Icantgetnosleep.info. November 4, 2009〕〔''(The International Classification of Sleep Disorders ).'' Holisticonline.com〕 While SSM is regarded a sub-type of insomnia, it is also established as a separate sleep-condition, with distinct pathophysiology.〔 Nonetheless, the value of distinguishing this type of insomnia from other types is debatable due to the relatively low frequency of SSM being reported.〔 Sleep state misperception can also be further broken down into several types, by patients who— * report short sleep (subjective insomnia complaint without objective findings)〔 * * or no sleep at all (subjective ''total'' insomnia)〔 * report excessive daytime sleepiness (subjective sleepiness complaint without objective findings)〔 * report sleeping too much (subjective hypersomnia without objective findings)〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「sleep state misperception」の詳細全文を読む スポンサード リンク
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