The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research.

  title={The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research.},
  author={Daniel J Buysse and Charles F. Reynolds and Timothy H. Monk and Susan R. Berman and David Jerome Kupfer},
  journal={Psychiatry research},
  volume={28 2},
Despite the prevalence of sleep complaints among psychiatric patients, few questionnaires have been specifically designed to measure sleep quality in clinical populations. The Pittsburgh Sleep Quality Index (PSQI) is a self-rated questionnaire which assesses sleep quality and disturbances over a 1-month time interval. Nineteen individual items generate seven "component" scores: subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of… CONTINUE READING
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