Percent TST90. Scatterplots represent the correlation between percent TST90 and each of the following: ED visits (A); hospital admissions (B); and total encounters (C). Column bar graphs represent the association of lower vs higher percent TST90 with each of the following: ED visits (D); hospital admissions (E); and total encounters (F). pTST, percentage of total sleep time. ∗∗∗p < .001; ∗∗∗∗p < .0001.