Related Variables

nremepbp Sleep Time (Non-rapid eye movement sleep (NREM), Supine) Sleep Monitoring/Polysomnography/Sleep Architecture
remepbp Sleep Time (Rapid eye movement sleep (REM), Supine) Sleep Monitoring/Polysomnography/Sleep Architecture
slpprdp Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography

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

Sleep Monitoring/Polysomnography/Sleep Architecture