AvgBptRs_im_w7_f2 - Search - Sleep Data - National Sleep Research Resource

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Average daily start time of in-bed or rest interval in main sleep over all days from actigraphy

sawa37 under Sleep Monitoring/Actigraphy in HCHS variables

This variable is similar to sawa78; however sawa37 is calculated based on data generated by Actiware software before data optimization.

Average daily start time of rest period in main sleep over all days from actigraphy

sawa78 under Sleep Monitoring/Actigraphy in HCHS variables

Rest period is the interval between the start and end of the rest interval, used in actigraphy.This variable is similar to sawa37; however sawa37 is calculated based on data generated by Actiware software before data optimization.

Average start time of first rest interval over nighttime periods (hours from midnight)

avgbedtime_act_night under Sleep Monitoring/Actigraphy in SHINE variables

Variable sourced from actigraphy data