Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/action/journalInformation?journalCode=icbi20 Download by: [Fudan University] Date: 20 April 2017, At: 14:19 Chronobiology International The Journal of Biological and Medical Rhythm Research ISSN: 0742-0528 (Print) 1525-6073 (Online) Journal homepage: http://www.tandfonline.com/loi/icbi20 Characterization of bimodal chronotype and its association with sleep: A population-based study Priscila Farias Tempaku, Juliana Ramirez Arruda, Diego Robles Mazzotti, Bruno S. B. Gonçalves, Mário Pedrazzoli, Lia Bittencourt & Sergio Tufik To cite this article: Priscila Farias Tempaku, Juliana Ramirez Arruda, Diego Robles Mazzotti, Bruno S. B. Gonçalves, Mário Pedrazzoli, Lia Bittencourt & Sergio Tufik (2017) Characterization of bimodal chronotype and its association with sleep: A population-based study, Chronobiology International, 34:4, 504-510, DOI: 10.1080/07420528.2017.1306707 To link to this article: http://dx.doi.org/10.1080/07420528.2017.1306707 Published online: 20 Apr 2017. Submit your article to this journal View related articles View Crossmark data