Related Variables

canbp4 Total number of central apnea in NREM sleep in supine position: Central apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
canop4 Total number of central apnea in NREM sleep in non-supine position: Central apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
carbp4 Total number of central apnea in REM sleep in supine position: Central apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
carop4 Total number of central apnea in REM sleep in non-supine position: Central apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrbp4 Total number of hypopnea in NREM sleep in supine position : hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrop4 Total number of hypopnea in NREM sleep in non-supine position : hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hrembp4 Total number of hypopnea in REM sleep in supine position : hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hrop4 Total number of hypopnea in REM sleep in non-supine position : hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
manrbp4 Total number of mixed apnea in NREM sleep in supine position: Mixed apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
manrop4 Total number of mixed apnea in NREM sleep in non-supine position: Mixed apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
marbp4 Total number of mixed apnea in REM sleep in supine position: Mixed apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
marop4 Total number of mixed apnea in REM sleep in non-supine position: Mixed apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanbp4 Total number of obstructive apnea in NREM sleep in supine position: Obstructive apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanop4 Total number of obstructive apnea in NREM sleep in non-supine position: Obstructive apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarbp4 Total number of obstructive apnea in REM sleep in supine position: Obstructive apneas with >= 4% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarop4 Total number of obstructive apnea in REM sleep in non-supine position: Obstructive apneas with >= 4% 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