🌙 Mental health

Always sleeping poorly? ISI quantifies insomnia severity

The ISI is a common self-rating insomnia tool, assessing falling asleep, staying asleep, early waking, satisfaction, daytime impact, others' awareness and distress — total 0-28: 0-7 not clinically significant, 8-14 subthreshold, 15-21 moderate, 22-28 severe. For chronic insomnia, CBT-I is preferred over medication. Free; scored locally for tracking sleep change. A screen, not a diagnosis.

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Free · auto-scored · trend comparison · your data stays with you

For adults; answer based on your sleep over the past 2 weeks

Common questions

What ISI score counts as insomnia?
Generally above 8 suggests an insomnia tendency, 15+ moderate, 22+ severe. Whether treatment is needed depends on your situation and a doctor's judgement.
Does insomnia always need sleeping pills?
No. The international first-line for chronic insomnia is CBT-I, not medication first. Whether and what to prescribe is a doctor's decision after assessment.
What if it shows moderate-severe?
See a sleep, neurology or mental-health clinic and share this score and your routine; it helps tailor a plan.

Take a minute to see how severe your insomnia is

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This tool is for self-screening reference only. It does not constitute a diagnosis and does not replace an in-person assessment by a doctor. If you have concerns, seek care promptly.

Source: Insomnia Severity Index (ISI)

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