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 49 373.7 ± 77.5 395.0 100.0 520.0 - 49
9-Month Followup - - - - - - - -
18-Month Followup - - - - - - - -