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slpprd_t
under
Sleep Monitoring/Polysomnography/Sleep Architecture
in
HOMEPAP variables
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.This time period is used to calculate indices and other averages.
slpeff_t
under
Sleep Monitoring/Polysomnography/Sleep Architecture
in
HOMEPAP variables
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep (i.e. total sleep time, TST), while in-bed period is the interval between lights off/in-bed time and lights on/out-bed time (i.e. time in bed, TIB).