Insomnia Test (ISI) – Free Sleep Assessment

The Insomnia Severity Index (ISI) is a brief screening tool that evaluates the nature, severity, and impact of insomnia. If you have been struggling to fall asleep, stay asleep, or wake up too early, this assessment can help quantify your sleep difficulties. Poor sleep affects mood, concentration, and overall health — understanding the severity is the first step toward better rest.

3 min·Free·Instant results

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Insomnia Severity Index (ISI)

Answer 7 short questions about how you have been feeling over the past two weeks. Your responses are private and results are instant.

3 min · Free · No sign-up required

⚕️ Screening tool only — not a clinical diagnosis. Results are for informational purposes and do not replace professional advice.

Frequently Asked Questions

What is the ISI?

The Insomnia Severity Index is a 7-item questionnaire that measures the severity of insomnia symptoms and their impact on daily functioning.

When should I see a doctor about sleep?

If sleep problems persist for more than a few weeks and affect your daily life, consider consulting a healthcare professional.

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