Related Variables

canba5 Total number of central apnea in NREM sleep in supine position: Central apneas with >=5% oxygen desaturation threshold used or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
canoa5 Total number of central apnea in NREM sleep in non-supine position: Central apneas with >= 5% oxygen desaturation threshold used or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
carba5 Total number of central apnea in REM sleep in supine position: Central apneas with >= 5% oxygen desaturation threshold used or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
caroa5 Total number of central apnea in REM sleep in non-supine position: Central apneas with >= 5% oxygen desaturation threshold used or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrba5 Total number of hypopnea in NREM sleep in supine position: Hypopneas with >= 5% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnroa5 Total number of hypopnea in NREM sleep in non-supine position: Hypopneas with >= 5% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hremba5 Total number of hypopnea in REM sleep in supine position: Hypopneas with >= 5% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hroa5 Total number of hypopnea in REM sleep in non-supine position: Hypopneas with >= 5% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanba5 Total number of obstructive apnea in NREM sleep in supine position: Obstructive apneas with >= 5% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanoa5 Total number of obstructive apnea in NREM sleep in non-supine position: Obstructive apneas with >= 5% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarba5 Total number of obstructive apnea in REM sleep in supine position: Obstructive apneas with >= 5% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oaroa5 Total number of obstructive apnea in REM sleep in non-supine position: Obstructive apneas with >= 5% 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