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Pittsburgh Sleep Quality Index (PSQI Instrument) – 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. If you would like to use this instrument for commercial purposes or for commercially sponsored research, please contact the Office of Technology Management at the University of Pittsburgh at 412-648-2206 for licensing information.

Please cite the reference below for the PSQI in any publications, presentations or reports resulting from its use:

Buysse,D.J., Reynolds,C.F., Monk,T.H., Berman,S.R., & Kupfer,D.J. (1989). The Pittsburgh Sleep Quality Index (PSQI): A new instrument for psychiatric research and practice. Psychiatry Research, 28(2), 193-213
(NOTE: The detailed scoring instructions are at the end of this journal article)

Please click here to request permission to use this instrument. 

If you intend to reproduce the article in which the instrument was published, we recommend that you also contact Elsevier Science Ireland Ltd., the publisher of Psychiatry Research. Any questions regarding reprinting of the article should be directed to Permissions Department, Elsevier Science Ireland Ltd., Elsevier House, Brookvale Plaza, East Park, Shannon, Co. Clare, Ireland; Fax + 353 61 709100/709101; Tel.+ 353 61 709600; or via email (