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Insomnia Severity Index

Access the Insomnia Severity Index to aid in diagnosing and managing sleep issues effectively.

Telita Montales avatar

By Telita Montales on Aug 2, 2025.

Fact Checked by Gale Alagos.

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Insomnia Severity Index Template

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Commonly asked questions

The ISI is primarily designed for adults but can be adapted for adolescents under clinical guidance.

While the ISI is valuable for assessing insomnia severity, it should not be used as a standalone diagnostic tool. Clinical judgment and additional assessments are necessary for a comprehensive diagnosis.

The ISI can be administered at regular intervals (e.g., monthly) to monitor changes in insomnia severity and evaluate treatment effectiveness.

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