Harmonized - Polysomnography - Sleep Architecture - ABC Variables - Sleep Data - National Sleep Research Resource

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	Name	Label	Folder
	nsrr_ttldursp_f1 Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography	Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography Conventionally, this would be called total sleep time (TST) (i.e. total time spent in stage 1 or greater). Harmonized by the NSRR team. Source: ttldursp_f1t1	Harmonized/Polysomnography/Sleep Architecture

Apnea, Bariatric surgery, and CPAP study