Related Variables
| canba4 | Total number of central apnea in NREM sleep in supine position: Central apneas with >= 4% oxygen desaturation threshold used or with arousal from type II 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 threshold used or with arousal from type II 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 threshold used or with arousal from type II 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 threshold used 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 |