Care References
Safety prompts, auto-linked outcomes, and the guidance behind them for each integrative modality. Reference only — defer to local policy and clinical judgment.
ISI — Insomnia Severity Index
Lower scores indicate less insomnia severity — improvement trends down. Scale 0–28.
Clinically significant change (MCID)
6 points
6-point reduction = clinically meaningful improvement (Morin 2011)
Clinical cutoff
Clinical insomnia (≥ 15)
Score interpretation
- 0–7No clinically significant insomnia
- 8–14Subthreshold insomniaSleep hygiene, monitor
- 15–21Clinical insomnia (moderate)CBT-I indicated
- 22–28Clinical insomnia (severe)Active treatment
Publications & guidelines
- Morin et al. 2011 — The ISI: psychometric indicators to detect insomnia cases and treatment response (Sleep)
- Bastien, Vallières & Morin 2001 — Validation of the ISI (Sleep Med)
- AASM clinical practice guideline — behavioral treatment of chronic insomnia (2021)
Thresholds are commonly cited values — confirm against current literature and your protocol.