nsrr_endtimbd_f1 nsrr_pctdursp_s2

Histogram

Visit Number vs Percentage of total sleep duration (i.e., total sleep time, TST) in stage 1 from polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 8.6 ± 4.1 7.9 1.4 28.2 - 453
Follow-up 407 7.6 ± 4.1 6.7 1.2 30.7 46 453