Related Variables

hnrba4 Total number of hypopnea in NREM sleep in supine position: Hypopneas with >= 4% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnroa4 Total number of hypopnea in NREM sleep in non-supine position: Hypopneas with >= 4% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hremba4 Total number of hypopnea in REM sleep in supine position: Hypopneas with >= 4% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
hroa4 Total number of hypopnea in REM sleep in non-supine position: Hypopneas with >= 4% oxygen desaturation or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanbp Total number of obstructive apnea in NREM sleep in supine position: Obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanop Total number of obstructive apnea in NREM sleep in non-supine position: Obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarbp Total number of obstructive apnea in REM sleep in supine position: Obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarop Total number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal during REM sleep in non-supine position 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