Related Variables

	nsrr_phrnumar_f1	Arousal Index: Number of arousals per hour of sleep from polysomnography Harmonized by the NSRR team. Source: :ai_all: at Visit 3	Harmonized/Polysomnography/Arousal
	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). Total time from lights out to lights on that is scored as sleep (rounded to nearest minute)	Sleep Monitoring/Polysomnography/Sleep Architecture

Cleveland Children's Sleep and Health Study