PSQI
The PSQI is a self-rating questionnaire consisting of 19 questions plus 5 questions related to either bed partner or roommate. The PSQI assesses sleep quality across 7 different components, each weighted equally, with a score of 0 to 3. Scores from each component are then summed, yielding a total PSQI. Scores range from 0 to 21, with higher scores being associated with poor sleep quality [