Related Variables

canba Total number of central apnea in NREM sleep in supine position: Central apneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
canoa Total number of central apnea in NREM sleep in non-supine position: Central apneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
carba Total number of central apnea in REM sleep in supine position: Central apneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
caroa Total number of central apnea in REM sleep in non-supine position: Central apneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrba Total number of hypopnea in NREM sleep in supine position: Hypopneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnroa Total number of hypopnea in NREM sleep in non-supine position: Hypopneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hremba Total number of hypopnea in REM sleep in supine position: Hypopneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hroa Total number of hypopnea in REM sleep in non-supine position: Hypopneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanba Total number of obstructive apnea in NREM sleep in supine position: Obstructive apneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanoa Total number of obstructive apnea in NREM sleep in non-supine position: Obstructive apneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarba Total number of obstructive apnea in REM sleep in supine position: Obstructive apneas with no oxygen desaturation threshold used only with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oaroa Total number of obstructive apnea in REM sleep in non-supine position: Obstructive apneas with no oxygen desaturation threshold used only 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