Pittsburgh Sleep Quality Index (PSQI)

Assess sleep quality over the past month using PSQI. Global score above 5 identifies poor sleepers with sensitivity 89.6% and specificity 86.5%. Covers 7 components including latency, duration, and efficiency.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Assess sleep quality over the past month using PSQI. Global score above 5 identifies poor sleepers with sensitivity 89.6% and specificity 86.5%. Covers 7 components including latency, duration, and efficiency

Each component has a specific meaning:

  • PSQI — The psqi recorded for the scenario being assessed.

Note: Interpret the psqi sleep quality result against the thresholds and context described above.

How to Use

Enter the PSQI for the scenario you are assessing. Assess sleep quality over the past month using PSQI. Global score above 5 identifies poor sleepers with sensitivity 89.6% and specificity 86.5%. Covers 7 components including latency, duration, and efficiency. Use the psqi sleep quality result to inform your calculation.

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Frequently Asked Questions