We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSleep disorders and demand for medical services: evidence from a population-based longitudinal study.AuthorsSantos-Silva R; Castro LS; Taddei JA; Tufik S; Bittencourt LRPublicationPloS one, 2012, Vol 7, Issue 2, pe30085ISSN1932-6203Publication typearticleDOI10.1371/journal.pone.0030085