Histogram

Visit number vs Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline Visit 343 335.3 ± 126.2 350.3 50.0 809.5 30 373
Month 1 Follow-up Visit - - - - - - - -
Month 3 Follow-up Visit - - - - - - - -