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 I 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 I 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 I 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 I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrba Total number of hypopnea in NREM sleep in supine position : hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnroa Total number of hypopnea in NREM sleep in non-supine position : hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hremba Total number of hypopnea in REM sleep in supine position : hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hroa Total number of hypopnea in REM sleep in non-supine position : hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I 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 I 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 I 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 I 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 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