Related Variables

canba4 Number of Central Apnea with >=4% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
canoa4 Number of Central Apnea with >=4% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
carba4 Number of Central Apnea with >=4% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
caroa4 Number of Central Apnea with >=4% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrba4 Number of Hypopnea with >=4% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnroa4 Number of Hypopnea with >=4% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
hremba4 Number of Hypopnea with >=4% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
hroa4 Number of Hypopnea with >=4% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanba4 Number of Obstructive Apnea with >=4% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanoa4 Number of Obstructive Apnea with >=4% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarba4 Number of Obstructive Apnea with >=4% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
oaroa4 Number of Obstructive Apnea with >=4% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Non-supine) 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