Related Variables

nsrr_pctdursp_s3_f1 Percentage of total sleep duration (i.e., total sleep time, TST) in Stage 3/4 from type I polysomnography

Harmonized by the NSRR team. Refer to the source for detailed definitions of respiratory events: :tstdeep:

Harmonized/Polysomnography/Sleep Architecture
tst Total sleep duration from type I polysomnography

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep. 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