Related Variables

canbp2 Total number of central apnea in NREM sleep in supine position: Central apneas with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
canop2 Total number of central apnea in NREM sleep in non-supine position: Central apneas with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
carbp2 Total number of central apnea in REM sleep in supine position: Central apneas with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
carop2 Total number of central apnea in REM sleep in non-supine position: Central apneas with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrbp2 Total number of hypopnea in NREM sleep in supine position : hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrop2 Total number of hypopnea in NREM sleep in non-supine position : hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hrembp2 Total number of hypopnea in REM sleep in supine position : hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hrop2 Total number of hypopnea in REM sleep in non-supine position : hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanbp2 Total number of obstructive apnea in NREM sleep in supine position: Obstructive apneas with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanop2 Total number of obstructive apnea in NREM sleep in non-supine position: Obstructive apneas with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarbp2 Total number of obstructive apnea in REM sleep in supine position: Obstructive apneas with >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarop2 Total number of obstructive apnea in REM sleep in non-supine position: Obstructive apneas with >= 2% oxygen desaturation and with or without 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