Do you suffer from sleep problems?
The Pittsburgh Sleep Quality Index (PSQI) is a widely used self-report questionnaire that assesses sleep quality over a one-month time interval.
The Pittsburgh Sleep Quality Index (PSQI), referenced in the book Optimize Your Health (Hardie Grant ed.), is an 11-item questionnaire designed to assess sleep quality and sleep disturbances over the past month. Scores range from 0 to 21.
You can take the test here (paper) here (online) or here (online).
Happy reading !
Emilie