PSQIPast monthAbout 3 minutes 👥 No usage yetSource: Buysse DJ, Reynolds CF, Monk TH, Berman SR, Kupfer DJ (1989)

Pittsburgh Sleep Quality Index

The PSQI is a classic scale for comprehensive sleep quality assessment. It includes 7 components with a total score of 0–21.

What this scale measuresThe PSQI comprehensively assesses sleep quality over the past month across seven components: subjective sleep quality, sleep latency, sleep duration, sleep efficiency, sleep disturbances, use of sleep medication, and daytime dysfunction. It is ideal for long-term follow-up and gives you an overall picture of your sleep health.
How to read your score
  • Good sleep quality0 – 5

    Your sleep quality is good with no significant sleep problems.

  • Poor sleep quality6 – 21

    Your sleep quality is poor. Consider focusing on sleep health and seeking evaluation.

These ranges are for screening reference only and cannot replace a professional diagnosis.

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Important: This result is for self-screening only

All scales on this site are publicly available academic screening tools, not medical devices, and do not constitute a clinical diagnosis. Results are affected by mood, routine, environment, and physical condition.

  • Scale results cannot be used as the sole basis for diagnosis, medication, treatment, or prescription.
  • Do not self-diagnose or self-medicate based solely on scale scores.
  • If you have physical, mental, sleep, or emotional concerns, please consult a qualified healthcare provider.

Users assume full responsibility for any medical or wellness decisions based on these results.