Related Variables
canba4 | Total number of central apnea in NREM sleep in supine position: Central apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography | Sleep Monitoring/Polysomnography/Respiratory Event Counts | |
canoa4 | Total number of central apnea in NREM sleep in non-supine position: Central apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography | Sleep Monitoring/Polysomnography/Respiratory Event Counts | |
carba4 | Total number of central apnea in REM sleep in supine position: Central apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography | Sleep Monitoring/Polysomnography/Respiratory Event Counts | |
caroa4 | Total number of central apnea in REM sleep in non-supine position: Central apneas with >= 4% oxygen desaturation or 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 |