Who created PSQI?
The PSQI was developed by Daniel J. Buysse and collaborators to measure quality of sleep and to help discriminate between individuals who experience poor sleep versus individuals who sleep well.
Is PSQI free?
You will have to create a profile (free) and then click on PSQI Request for Translations under Conditions of Use heading. Please complete the REQUEST FORM or contact Dr. Buysse for permission to use this instrument.
How long does it take to complete the PSQI?
The Pittsburgh Sleep Quality Index (PSQI) is a self-report questionnaire that assesses sleep quality over a 1-month time interval. The measure consists of 19 individual items, creating 7 components that produce one global score, and takes 5–10 minutes to complete.
How many items does the PSQI have?
The PSQI is a 19-item, self-rated questionnaire designed to measure sleep quality and disturbance over the past month in clinical populations.
What is global PSQI?
The Pittsburgh Sleep Quality Index (PSQI) is a self-rated. questionnaire which assesses sleep quality and disturbances over a 1-month time.
What is the average PSQI score?
The average PSQI global score for the sample in Study I was mean = 5.64 (SD = 2.79).
How many questions are on the PSQI?
The Pittsburgh Sleep Quality Index (PSQI) contains 19 self-rated questions and 5 questions rated by the bed partner or roommate (if one is available). Only self-rated questions are included in the scoring.
Is PSQI qualitative or quantitative?
The PSQI is practical and brief, returning a single score representing overall sleep quality, which incorporates qualitative and quantitative aspects of sleep; scores above 5 are suggested as indicative of a potential sleep problem.
Is the PSQI standardized?
The seven components of the PSQI are standardized versions of areas routinely assessed in clinical interviews of patients with sleep/wake complaints.
What is the purpose of PSQI?
The Pittsburgh Sleep Quality Index was developed with several goals: (1) to provide a reliable, valid, and standardized measure of sleep quality; (2) to discriminate between “good” and “poor” sleepers; (3) to provide an index that is easy for subjects to use and for clinicians and researchers to interpret; and (4) to …