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sawa30 under Sleep Monitoring/Actigraphy in HCHS variables
This variable is similar to variable sawa63; however, sawa30 is generated automatically by Actiware before data optimization.
sawa63 under Sleep Monitoring/Actigraphy in HCHS variables
This variable is similar to variable sawa30; however, sawa30 is generated automatically by Actiware before data optimization.
sdmainteff5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.