Pittsburgh Sleep Quality Index (PSQI) Calculator
Assess sleep quality and sleep disturbances over a 1-month time interval using the PSQI index.
Input Parameters
Enter details for calculation.
Sleep Quality Index
Expert Tip
A global PSQI score > 5 indicates significant sleep difficulties across clinical cohorts.
Calculation Methodology & Details
Formula
Individual scores sum to a global index ranging from 0 to 21.
Important Disclaimer
The calculations provided are for educational and general informational purposes only. They do not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.
How PSQI is Calculated
Follow these steps to use this calculator:
Input Sleep Duration
Actual hours spent asleep.
Enter Latency
Typical minutes needed to drift off.
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ℹ️ About this Calculation
This sleep medicine calculator evaluates sleep architecture, circadian rhythm alignment, daytime sleepiness risk scores, and sleep apnea severity (AHI / STOP-BANG) based on clinical somnology protocols.
Variable Glossary
Sleep Data & Symptoms
Bedtime, wake time, total sleep duration, nocturnal awakenings, or questionnaire symptom scores.
Sleep Metrics
Sleep efficiency percentage, AHI severity tier, REM cycle counts, or sleep debt accumulation.
How to Calculate Step-by-Step
Step 1
Input your sleep times, duration, or answer the clinical assessment questions.
Step 2
Adjust target sleep goals or age-appropriate sleep recommendations.
Step 3
View optimal wake/sleep times, cycle counts, or clinical sleep disorder screening risk.