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
6 min ago User 3574 finished all questions in "Insomnia Severity Index (ISI)"
User 1750 completed "Insomnia Severity Index (ISI)" (About 1h 44m ago)
10 min ago — User 8689 finished "Insomnia Severity Index (ISI)"
23 min ago — User 9286 finished "Insomnia Severity Index (ISI)"
User 2276 completed "Insomnia Severity Index (ISI)" (About 8 hours ago)
User 1300 completed "Insomnia Severity Index (ISI)" (About 2h 41m ago)
About 5h 54m ago — User 6077 finished "Insomnia Severity Index (ISI)"
5 min ago User 8113 finished all questions in "Insomnia Severity Index (ISI)"
5 min ago — User 7558 finished "Insomnia Severity Index (ISI)"
User 8658 completed "Insomnia Severity Index (ISI)" (About 7h 39m ago)
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