Insomnia Severity Index Test – Assess Your Sleep Issues

Take the Insomnia Severity Index (ISI) to evaluate how severe your insomnia is and understand your sleep quality.

This scale · Activity
User 5407 completed "Insomnia Severity Index (ISI)" About 1h 22m ago
User 1948 completed "Insomnia Severity Index (ISI)" 16 min ago
About 4h 28m ago User 5821 finished all questions in "Insomnia Severity Index (ISI)"
User 8944 completed "Insomnia Severity Index (ISI)" About 7h 39m ago
User 8208 submitted "Insomnia Severity Index (ISI)" · About 5 hours ago
User 0978 completed "Insomnia Severity Index (ISI)" About 42 min ago
About 2h 31m ago — User 1804 finished "Insomnia Severity Index (ISI)"
4 min ago User 8658 finished all questions in "Insomnia Severity Index (ISI)"
User 3757 submitted "Insomnia Severity Index (ISI)" · About 16 min ago
About 36 min ago User 0294 finished all questions in "Insomnia Severity Index (ISI)"
Insomnia Severity Index (ISI)

Trial

Questions
10 questions
Estimated time
~5 min
  • Core question set
  • Summary report
  • Unlock full report after verification
  • Great for a quick overview
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Insomnia Severity Index (ISI)

Standard

Questions
37 questions
Estimated time
~15 min
  • Full question set
  • Detailed report
  • Professional interpretation
  • Actionable guidance
Start standard
Insomnia Severity Index (ISI)

Professional

Questions
75 questions
Estimated time
~38 min
  • Full question set
  • In-depth report
  • Expert-level insights
  • Personalized recommendations
  • Follow-up support
Start professional

✨ Why this assessment

Evidence-based

Built on widely used psychometric frameworks with validated scoring

Expert insights

Professional interpretation plus AI-assisted analysis for clear, actionable results

Private & secure

Your answers stay confidential; we never sell personal data

Fast & online

Take the test anywhere and get your report in minutes