The Insomnia Severity Index (ISI) checks how much your sleep difficulty is affecting daytime functioning. Seven questions, about two minutes, free and private.
ISI screening ready. 7 questions.
Insomnia severity
Insomnia test (ISI)
The Insomnia Severity Index (ISI) is a brief, validated measure of perceived insomnia severity, daytime impact and treatment satisfaction.
- Time
- ~3 min
- Items
- 7
- For
- Adults. 7 questions.
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Source: Bastien CH, Vallières A, Morin CM. Validation of the Insomnia Severity Index. Sleep Med. 2001;2:297–307.
Screening tools indicate the likelihood of a condition — they are not a clinical diagnosis. A clear positive result is your cue to consult Dr. Sodhi or another qualified mental-health professional.
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