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The sleep–wake activity inventory (SWAI) is a subjective multidimensional questionnaire intended to measure sleepiness. ''For the type of imported fish called Swai, see Pangasius, a genus of shark catfishes native to Asia.'' ==The instrument== The SWAI consists of 59 items that provide six subscale scores: excessive daytime sleepiness, nocturnal sleep, ability to relax, energy level, social desirability, and psychic distress. Each item is rated on a 1 to 9 semicontinuous Likert type scale from "always" to "never", based on the previous seven days.〔 The SWAI was normed on 554 subjects in the early 1990s and is currently being validated or has been validated in multiple languages, including Spanish, French, and Dutch. For the ''excessive daytime sleepiness'' subscale (SWAI-EDS), a score of 40 or below indicates excessive sleepiness, a score of between 40 and 50 indicates possible sleepiness, and a score of greater than 50 is normal. A short form of the SWAI exists that contains items for the ''excessive daytime sleepiness'' and ''nocturnal sleep'' subscales only. 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–wake activity inventory」の詳細全文を読む スポンサード リンク
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