Pittsburgh Sleep Quality Index.
PSQI
Subjective sleep quality over the past month; 7 components - subjective quality, latency, duration, habitual efficiency, disturbances, sleep-medication use, daytime dysfunction
- Provisionally grouped under
- Length and format
- 19 self-rated (+5 bed-partner items, unscored). Mixed (frequency, times, Likert); 7 component scores 0-3, summed to a Global 0-21; >5 indicates poor sleep (self-report questionnaire)
- Language versions
- 60+ languages; among the most-translated sleep instruments worldwide
- Licence
- copyrighted - author permission
The rights holder controls how this one may be used, so the route to it runs through the publisher or the author. We hold no direct link for it; the reference below is the citation to search from.
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- Reference
- Buysse, D. J., Reynolds, C. F., Monk, T. H., Berman, S. R., & Kupfer, D. J. (1989). The Pittsburgh Sleep Quality Index. Psychiatry Research, 28(2), 193-213.
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