Related Variables

canbp Total number of central apnea in NREM sleep in supine position: Central apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
canop Total number of central apnea in NREM sleep in non-supine position: Central apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
carbp Total number of central apnea in REM sleep in supine position: Central apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
carop Total number of central apnea in REM sleep in non-supine position: Central apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrba3 Total number of hypopnea in NREM sleep in supine position: Hypopneas with >= 3% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnroa3 Total number of hypopnea in NREM sleep in non-supine position: Hypopneas with >= 3% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hremba3 Total number of hypopnea in REM sleep in supine position: Hypopneas with >= 3% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hroa3 Total number of hypopnea in REM sleep in non-supine position: Hypopneas with >= 3% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
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