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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Sleep Health. 2017 Jul 17;3(5):328–335. doi: 10.1016/j.sleh.2017.06.005

Figure 1.

Figure 1

More actigraphy-assessed days napped is associated with higher IL-6 among men who demonstrate short actigraphy-assessed sleep duration. Both proportion of days napped and sleep duration were treated as continuous variables in the regression equation, but were grouped for graphical purposes. Simple slopes showed that more days napped is significantly associated with higher IL-6 among men in the bottom tertile of sleep duration, but not for men at the median or in the top tertile of sleep duration.