@article{barbosa_miguel_tufik_sabino_cendoroglo_pedrazzoli_2016,  title={Sleep disorder or simple sleep ontogeny? Tendency for morningness is associated with worse sleep quality in the elderly},  volume={49},  ISSN={0100-879X},  url={https://doi.org/10.1590/1414-431X20165311},  DOI={10.1590/1414-431X20165311},  number={10},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Barbosa, A.A. and Miguel, M.A.L. and Tufik, S. and Sabino, F.C. and Cendoroglo, M.S. and Pedrazzoli, M.},  year={2016},  pages={e5311} }