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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Obstet Gynecol Clin North Am. 2011 Sep;38(3):567–586. doi: 10.1016/j.ogc.2011.06.002

Figure 1.

Figure 1

Age-related sex differences in self-reported sleep problems. Adapted using data from Cirignotta et al (1985).17