Relationships between internet addiction, quality of life and sleep problems: a structural equation modeling analysis Geraldo J. Ferrari Junior; Amanda B. da Silva; Andreia Meneghetti; Carina R. Leite; Cristina Brust; Giselly C. Moreira; Érico P.G. Felden;

Longitudinal study of sleep behavior and motor development in low-birth-weight preterm children from infancy to preschool years Sonia Manacero; Magda Lahorgue Nunes;

Sleep and restless legs syndrome in female adolescents with idiopathic musculoskeletal pain Rita Aparecida Ribeiro Amorim; Gustavo A. Moreira; Flavia Heloisa Santos; Maria Teresa Terreri; Juliana Molina; Lívia de Freitas Keppeke; Simone Guerra Lopes da Silva; Melissa Mariti Fraga; Vanessa Bugni Miotto e Silva; Tufik Sergio; Claudio Arnaldo Len;