Pittsburgh Sleep Quality Index

The Pittsburgh Sleep Quality Index (PSQI) is a self-report questionnaire that assesses sleep quality. The measure consists of 19 individual items, creating 7 components that produce one global score. The scale assesses subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction. Each item is scored from 0 to 3 with the overall score ranging from 0-21.

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Find out more about Pittsburgh Sleep Quality Index

Alternative name
PSQI

Active? Yes

First used: 01 January 1970

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