Related Variables

nsrr_ttlprdbd_f1 Total In-bed Period: the interval between lights off/in-bed time and lights on/out-bed time from polysomnography

Harmonized by the NSRR team. Conventionally, this would be called time in bed (TIB)

Source: :timebedp:

Harmonized/Polysomnography/Sleep Architecture
period Polysomnography (PSG) Quality Assessment (Sleep Heart Health Study Visit Two (SHHS2)): Periodic breathing (5 min)

Scorer observed periodic breathing for a period of at least 5 minutes during study.

Sleep Monitoring/Polysomnography/Signal Quality/SHHS2
waso Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography

Total amount of time spent awake after going to sleep

Sleep Monitoring/Polysomnography/Sleep Architecture