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stloutp
under
Sleep Monitoring/Polysomnography/Sleep Architecture
in
SHHS variables
Conventionally, this variable would be called the start of time in bed (TIB). In Visit 1 this variable represents the number of epochs from recording start.
bedtmwkday5c
under
Sleep Questionnaires/Sleep Habits
in
MESA variables
Conventionally this variable would be called time to bed.Original question: 1. What time do you usually go to bed? a. On weekdays or work or school days?