Related Variables

slplatp Sleep Latency: the interval between lights-out/in-bed time and sleep onset time. from type I polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
slpprdp Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography

Conventionally, this would be called total sleep time (TST) (i.e. total time spent in stage 1 or greater).

Sleep Monitoring/Polysomnography/Sleep Architecture
timebedp Total period of bed (in-bed) from type I polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture