Free Insomnia Test Online

Insomnia Severity Index (ISI)

Take the free Insomnia Severity Index screening. Assess sleep difficulty, satisfaction, and daytime impairment. Confidential results in 3 minutes.

3 minutes

100% Confidential

Clinically Validated

What This Test Measures

About the Insomnia Severity Index (ISI)

This assessment asks about your experiences over the past 2 weeks. Each question is scored on a scale, and the total helps indicate the level of symptoms you may be experiencing.

How Scoring Works

No Clinically Significant Insomnia (0-7 points)
Subthreshold Insomnia (8-14 points)
Moderate Insomnia (15-21 points)
Severe Insomnia (22-28 points)

Important Notice

This screening is based on the Insomnia Severity Index (ISI), developed by Charles Morin, PhD. It is a screening tool only and is not a diagnostic instrument. Only a licensed healthcare professional can diagnose insomnia disorder. If sleep problems are affecting your safety or health, please consult a physician.

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