Related Variables

canba2 Number of Central Apnea with >=2% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
canoa2 Number of Central Apnea with >=2% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
carba2 Number of Central Apnea with >=2% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
caroa2 Number of Central Apnea with >=2% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnrba2 Number of Hypopnea with >=2% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
hnroa2 Number of Hypopnea with >=2% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
hremba2 Number of Hypopnea with >=2% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
hroa2 Number of Hypopnea with >=2% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanba2 Number of Obstructive Apnea with >=2% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
oanoa2 Number of Obstructive Apnea with >=2% oxygen desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
oarba2 Number of Obstructive Apnea with >=2% oxygen desaturation or arousal (Rapid eye movement sleep (REM), Supine) Sleep Monitoring/Polysomnography/Respiratory Event Counts
oaroa2 Number of Obstructive Apnea with >=2% 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