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sawa32 under Sleep Monitoring/Actigraphy in HCHS variables
This variable is similar to sawa99; however, sawa32 is derived from Actiware variable sawa18 before data optimization.
sawa99 under Sleep Monitoring/Actigraphy in HCHS variables
Sleep period is the interval between sleep onset and sleep offset time.This variable is similar to sawa32; however, sawa32 is derived from Actiware variable sawa18 before data optimization.
avgsleepperioddurationwd5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep period (i.e. total sleep time, TST) is the interval between sleep onset time and sleep offset time in main sleep.