Name
psqi_1
Label
Pittsburgh Sleep Quality Index: When usually gone to bed the past month
Description
Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)
External semantic reference: CDE
Original text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month.
During the past month, what time have you usually gone to bed at night?
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Type
time