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Insomnia Severity Index (ISI)

Morin CM

Distributed by Mapi Research Trust

ProQolid

Distributed by Mapi Research Trust

Basic description

Developed in 1985

Available in three versions: patient, clinician, and significant others (usually a spouse)

WEBINAR: An Author Webinar on the Insomnia Severity Index - Recorded session available here!

Authors

Morin CM

Copyright
© Morin, C.M. (1993, 1996, 2000, 2006)
Objective
To quantify the patient's perception of insomnia severity, and its impact on daytime functioning
Therapeutic area
  • Nervous System Diseases
  • Pathological Conditions, Signs and Symptoms
Therapeutic indication

Sleep Disorders (includes apnea)

Insomnia
Type of Clinical Outcome Assessment (COA)
  • clinro ClinRO
  • obsro ObsRO
  • pro PRO
PRO: Patient version; ClinRO: Clinician version; ObsRO: Spouse version
Original language(s)
  • English for North America
Bibliographic reference(s) of the original questionnaire

Bastien CH, Vallières A, Morin CM. Validation of the Insomnia Severity Index as an outcome measure for insomnia research. Sleep Med. 2001 Jul;2(4):297-307 (PubMed Abstract)         

Yang M, Morin CM, Schaefer K, Wallenstein GV. Interpreting score differences in the Insomnia Severity Index: using health-related outcomes to define the minimally important difference. Curr Med Res Opin. 2009 Oct;25(10):2487-94 (PubMed Abstract) 

Morin CM, Belleville G, Bélanger L, Ivers H. The Insomnia Severity Index: psychometric indicators to detect insomnia cases and evaluate treatment response. Sleep. 2011 May 1;34(5):601-8 (Full Text Article)           

Contact and conditions of use

Authors

Morin CM

Charles M. Morin PhD 
Université Laval - School of Psychology
Pavillon Félix-Antoine-Savard
2325, Rue des Bibliothèques
Québec (Québec) G1V 0A6
Canada
Phone: +1 (418) 656 3275
Fax: +1 (418) 656 5152
E-mail: cmorin@psy.ulaval.ca

Charles M. Morin Publications (PubMed)

Contact information

Mapi Research Trust
PROVIDE™
27 rue de la Villette
69003 Lyon
France
Phone: +33 (0)4 72 13 66 66

Conditions of use

Non-Commercial Users

If you do not receive specific funding for your study, you may download the questionnaire directly:

  1. Log in or Register for free
  2. Click the 'Online distribution' tab in the left menu bar and follow the instructions

Tutorials are available on our FAQs.

Commercial Users

All requests have to be submitted through our online request management:

  1. Log in or Register for free
  2. Submit your request (Tutorials are available on our FAQs)
  3. In order to accelerate the process, you may attach the User Agreement (even if not finalized) to your online request. Click the link below for the user agreement template.
  4. Our PROVIDE team will get back to you with the needed information in a timely manner

Access fees

ROYALTY FEES* Commercial users Cost per study 10 000 USD
Cost per language 600 USD
Funded academic research Cost per study Free
Cost per language Free
Not funded academic users Cost per study Free
Cost per language Free
DISTRIBUTION FEES* Commercial users Cost per study 1500 USD
Cost per language 600 USD
Funded academic research Cost per study 350 USD
Cost per language 75 USD
Not funded academic users Cost per study Free
Cost per language Free

* Excluding VAT
Commercial users: Industry, CRO, any for-profit companies
Funded Academic research: Projects receiving funding from commerce, government, EU or registered charity. Funded academic research– sponsored by industry fits the “commercial users” category.
Not funded academic users, individual medical practice: Projects are not explicitly funded, but funding comes from overall departmental funds or from the University or individual funds

Conditions to translate

Please refer to the "Languages" tab

Conditions to implement in electronic applications

Exclusive licensor for e-versions of the questionnaire: Mapi Research Trust

Academic and Commercial Users
  • Shall follow the “Conditions of use”  mentioned above
  • In addition, in case the electronic version of the questionnaire is developed by a third party (IT Company, e-PRO vendor…), User shall check with Mapi Research Trust that this third party has signed the necessary License Agreement with Mapi Research Trust before developing the electronic version of the Questionnaire.

Information Technology (IT) Companies (incl. ePRO vendors)
  • In case of a one-shot development and commercial use of an electronic version of the questionnaire by the IT Company, the IT Company shall:
    • Sign a “Specific-Study License Agreement with IT Company” with Mapi Research Trust
      • authorizing the electronic implementation of the questionnaire for the specific study only
      • shall not permit the IT Company to promote the electronic version of the questionnaire or its use for another study or another client
    • Pay a one-shot license fee per study to Mapi Research Trust: 600 USD
    • Pay a one-shot royalty fee per study to the author: 600 USD
  • In case of an IT Company who wishes to develop an electronic version of the questionnaire and would like to obtain a non-exclusive license to market and promote their devices / tablets / smartphones / e-applications using the questionnaire, the IT Company shall:
    • Sign a “General License Agreement with IT Company” with Mapi Research Trust
      • authorizing the electronic implementation of the questionnaire on multiple devices for multiple studies and clients
      • permitting the IT Company to promote the electronic versions of the questionnaire by any marketing means (including, but not limited to, IT Company’s  promotional documents / websites / press release / communication during conferences / webinars)
    • Pay an annual administrative fee of 3,000 USD to Mapi Research Trust
    • Pay an annual royalty fee of 3,000 USD to the author

Author Website(s)

Webpage dedicated to the ISI

Review copy

Examination copies can only be used for the limited purpose of examining the suitability of the Questionnaire for subsequent research and/or clinical use, and cannot be used in research or in clinical practice or distributed to others.
You are not authorized to modify, retype, translate, copy or otherwise duplicate the Questionnaire except with the further and prior written permission of Mapi Research Trust / the developers / copyright holders / distributors.

Languages

Original language(s)

  • English for North America

Translations

The listed translations may not have undergone a full linguistic validation process and may require further work to be suitable for use in a study. This list is subject to constant changes, therefore please check the status of translations with Mapi Research Trust / the developers / copyright holders / distributors.

ISI-Last 2 weeks

Afrikaans for South Africa*
Arabic for Egypt*
Arabic for Israel*
Bosnian for Bosnia*
Bulgarian for Bulgaria*
Cantonese for Hong Kong*
Czech for Czech Republic*
Danish for Denmark*
Dutch for Belgium (Flemish)*
Dutch for the Netherlands*
English for Australia*
English for Canada and the USA
English for Hong Kong*
English for Israel*
English for the UK*
Estonian for Estonia*
Finnish for Finland*
French for Belgium*
French for Canada*
French for France*
French for Switzerland*
German for Austria*
German for Germany*
German for Switzerland*
Greek for Greece*
Hebrew for Israel*
Hungarian for Hungary*
Italian for Italy*
Italian for Switzerland*
Japanese for Japan*
Korean for Korea*
Latvian for Latvia*
Mandarin for China*
Mandarin for Taiwan*
Norwegian for Norway*
Polish for Poland*
Portuguese for Brazil*
Portuguese for Portugal*
Romanian for Romania*
Russian for Estonia*
Russian for Israel*
Russian for Latvia*
Russian for Russia*
Russian for Ukraine*
Sesotho for South Africa*
Slovak for Slovakia*
Slovenian for Slovenia*
Spanish for Argentina*
Spanish for Chile*
Spanish for Colombia*
Spanish for Mexico*
Spanish for Puerto Rico*
Spanish for Spain*
Spanish for the USA*
Swedish for Finland*
Swedish for Sweden*
Turkish for Turkey*
Ukrainian for Ukraine*
Xhosa for South Africa*
Zulu for South Africa*

ISI-Last month

Afrikaans for South Africa*
Arabic for Egypt*
Arabic for Israel*
Bosnian for Bosnia*
Bulgarian for Bulgaria*
Cantonese for Hong Kong*
Czech for Czech Republic*
Danish for Denmark*
Dutch for Belgium (Flemish)*
Dutch for the Netherlands*
English for Australia*
English for Canada and the USA
English for Hong Kong*
English for Israel*
English for the UK*
Estonian for Estonia*
Finnish for Finland*
French for Belgium*
French for Canada*
French for France*
French for Switzerland*
German for Austria*
German for Germany*
German for Switzerland*
Greek for Greece*
Hebrew for Israel*
Hungarian for Hungary*
Indonesian for Indonesia
Italian for Italy*
Italian for Switzerland*
Japanese for Japan*
Korean for Korea*
Latvian for Latvia*
Mandarin for China*
Mandarin for Taiwan*
Norwegian for Norway*
Polish for Poland*
Portuguese for Brazil*
Portuguese for Portugal*
Romanian for Romania*
Russian for Estonia*
Russian for Israel*
Russian for Latvia*
Russian for Russia*
Russian for Ukraine*
Sesotho for South Africa*
Slovak for Slovakia*
Slovenian for Slovenia*
Spanish for Argentina*
Spanish for Chile*
Spanish for Colombia*
Spanish for Mexico*
Spanish for Puerto Rico*
Spanish for Spain*
Spanish for the USA*
Swedish for Finland*
Swedish for Sweden*
Tswana for South Africa*
Turkish for Turkey*
Ukrainian for Ukraine*
Xhosa for South Africa*
Zulu for South Africa*
* Performed by Mapi

BiblioPRO: you can find information about the Spanish version here - puede encontrar información sobre la versión española aqui

The author has selected Mapi as exclusive linguistic validation company to ensure the production of harmonized and consistent language versions.

For additional information on available translations of this instrument, or for a project involving new languages, please submit a request (tutorials available on our FAQs).

Conditions to translate

Academic Translation

If you wish to translate the questionnaire:

  1. Log in or Register for free
  2. Submit your request for translation online (Tutorials are available on our FAQs)
  3. Our PROVIDE team will send you a translation agreement along with Linguistic Validation Guidelines.

Note that the author of the questionnaire requests consulting fees for involvement in the translation process.

Commercial Users

Exclusive vendor for translation work for commercial users: Mapi

Online distribution

My study is not funded

  • I am a non-commercial user
  • I do not receive specific funding for my study
  • I intend to use the questionnaire in individual clinical practice or research study
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E-versions

Conditions to implement in electronic applications

Please refer to the "Contact and conditions of use" tab

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