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Pittsburgh Sleep Quality Index (PSQI)

Author(s)

Buysse Daniel J; Berman Susan R; Kupfer David J; Monk Timothy H; Reynolds Charles F

PSQI © University of Pittsburgh, 1989. All right reserved
This copyright in this form is owned by the University of Pittsburgh and may be reprinted without charge only for non-commercial research and educational purposes. You may not make changes or modifications of this form without prior written permission from the University of Pittsburgh

Purpose

  • Pathology:

Nervous system diseases

Pathological conditions signs and symptoms

  • Disease:

Sleep Disorders (includes apnea)

  • Objective:

- To provide a reliable, valid, and standardized measure of sleep quality
- To discriminate between "good" and "poor" sleepers
- To provide an index that is easy for subjects to use and for clinicians and researchers to interpret
- To provide a brief, clinically useful assessment of a variety of sleep disturbances that might affect sleep quality

  • Population for intended use:

Adult

Caregivers

 

Characteristics

  • Concept of interest:

Signs and symptoms

  • Administration mode:

Proxy-rated

Self-administered

  • Data collection mode:

Paper and pen

  • Type of Clinical Outcome Assessment (COA):

Observer-Reported Outcome (ObsRO)

Patient-Reported Outcome (PRO)

[ Composite measure ]

  • Number of items:

19+ 5 items reported by the bed partner or room mate for clinical use only

  • Recall/Observation period:

The past month

 

Bibliographic reference(s) of the original questionnaire

Buysse DJ, Reynolds CF 3rd, Monk TH, Berman SR, Kupfer DJ. The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research. Psychiatry Res. 1989 May;28(2):193-213 (Abstract)

Language(s)

  • Original language:

English for the USA

  • List of existing translations:

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

PSQI

Afrikaans for South Africa* Finnish for Finland* Lithuanian for Lithuania* Slovak*
Arabic French for Belgium* Malay* Spanish for Argentina*
Bulgarian for Bulgaria* French for Canada* Mandarin for China* Spanish for Chile*
Cebuano* French for France* Mandarin for Malaysia* Spanish for Mexico*
Czech for Czech Republic* German for Germany* Marathi for India* Spanish for Spain*
Danish for Denmark* Greek* Norwegian for Norway* Spanish for the USA*
Dutch for Belgium (Flemish)* Hindi for India* Polish for Poland* Swedish for Finland*
English for Australia* Hungarian for Hungary* Portuguese for Brazil* Swedish for Sweden*
English for Canada* Indonesian* Portuguese for Portugal* Turkish for Turkey
English for South Africa* Italian for Italy* Romanian* Ukrainian for Ukraine*
English for the Philippines* Japanese for Japan Russian for Estonia* Zulu*
English for the UK* Kannada for India* Russian for Lithuania*
Estonian for Estonia* Korean for Korea* Russian for Russia*
Filipino* Latvian for Latvia* Russian for Ukraine*

* Performed by Mapi

Performing new translations

Please note that Dr Buysse, developer of the PSQI, requires that cognitive interviews be performed on all translations.

Review copy

This examination copy 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.

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Contact information

Mapi Research Trust
Information Support Unit
27 rue de la Villette
69003 Lyon
France
Telephone: +33 (0)4 72 13 65 75
Fax: +33 (0)4 72 13 66 82
Email: PROinformation@mapi-trust.org

Conditions of use

Commercial users: License and Distribution of translations:

The signature of a license agreement is required and a user fee is required.

Please contact:

Carolyn J. Weber, MBA
Technology Marketing Manager
University of Pittsburgh
Office of Technology Management
200 Gardner Steel Conference Center
Thackeray & O'Hara Street
Pittsburgh, PA  15260
USA
Phone: +1 412-383-7140
Email: cjweber@otm.tt.pitt.edu
Website: www.otm.pitt.edu and PSQI webpage

Once the licensing process is completed with the Office of Technology Management at the University of Pittsburgh, please provide Mapi Research Trust with a copy of the license-agreement to receive a copy of the needed translation(s).

User is then required to complete and sign the Request for Translations form below. 

Once completed, dated and executed, the original Request for Translations form shall be returned to Mapi Research Trust by post. Your request will be processed upon receipt.

Note: A scanned copy may also be accepted to speed up the process as long as it is signed and that the original signed hard copy is also sent by regular mail, as we need it for our records.

 

Academic users: License and Distribution of translations

It is not necessary to contact the Office of Technology Management at the University of Pittsburgh for the use of the PSQI in an academic context.

Academic user is only required to complete and sign the Request for Translations form below. 

Once completed, dated and executed, the original Request for Translations form shall be returned to Mapi Research Trust by post. Your request will be processed upon receipt.

Note: A scanned copy may also be accepted to speed up the process as long as it is signed and that the original signed hard copy is also sent by regular mail, as we need it for our records.


Electronic application of the questionnaire:

For the electronic application of the questionnaire, specific conditions apply. Please consult the University of Pittsburgh directly for additional information and to sign a specific license.

Access fees

ROYALTY FEES * Commercial users Cost per study Please contact Carolyn J. Weber at cjweber@otm.tt.pitt.edu
Cost per language Free
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 Free
Cost per language 600 €
Funded academic research Cost per study Free
Cost per language 100 €
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

Existence of a scoring / Interpretation / user manual

Scoring instructions and scoring program available from Daniel J. Buysse and from the  Sleep Medicine Institute (University of Pittsburgh).

Last update: July 2014

  

For additional information on this instrument, please contact our Information Support Unit