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sawa109
under
Sleep Monitoring/Actigraphy
in
HCHS 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. This variable is similar to variable sawa34; however, sawa34 is derived from Actiware variable sawa24 before data optimization.
avgmainteffwd5
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.