Online follow-up ⏵ Sleep ⏵ Quality of sleep
Description
Quality of sleep reported within the on-line sleep questionnaireQuestions in data fields 30442-30454, 30461 and 30463-30467 are adapted from the Pittsburgh Sleep Quality Index and used under licence. © University of Pittsburgh 1989 and 2010. All Rights Reserved.
Buysse D J, Reynolds CF, Monk TH, Berman SR, Kupfer DJ. The Pittsburgh Sleep Quality Index: A new instrument for psychiatric practice and research. Psychiatry Research 1989 May;28(2):193-213.