{{Cite journal| doi = 10.1016/j.sleep.2014.12.014| issn = 1878-5506 (Electronic) 1389-9457 (Linking)| volume = 16| issue = 4| pages = 469–76| last1 = Stringhini| first1 = S.| last2 = Haba-Rubio| first2 = J.| last3 = Marques-Vidal| first3 = P.| last4 = Waeber| first4 = G.| last5 = Preisig| first5 = M.| last6 = Guessous| first6 = I.| last7 = Bovet| first7 = P.| last8 = Vollenweider| first8 = P.| last9 = Tafti| first9 = M.| last10 = Heinzer| first10 = R.| title = Association of socioeconomic status with sleep disturbances in the Swiss population-based CoLaus study| journal = Sleep Med| date = 2015-03-18| pmid = 25777484}}