Related Variables

oanba4 Total number of obstructive apnea in NREM sleep in supine position: Obstructive apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanoa4 Total number of obstructive apnea in NREM sleep in non-supine position: Obstructive apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarba4 Total number of obstructive apnea in REM sleep in supine position: Obstructive apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oaroa4 Total number of obstructive apnea in REM sleep in non-supine position: Obstructive apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
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