Andrée-Anne Bouvette-Turcot, Michael Pluess, Annie Bernier, Marie-Hélène Pennestri, Robert Levitan, Marla B Sokolowski, James L Kennedy, Klaus Minde, Meir Steiner, Irina Pokhvisneva, Michael J Meaney, Hélène Gaudreau
BACKGROUND AND OBJECTIVES: Sleep problems are frequent in young children; however, children vary in the degree to which they are affected by poor sleep quality. We investigated whether a polymorphism in the serotonin transporter gene, which is linked to emotional function, is a potential moderator of the influences of sleep duration on infant temperament using longitudinal data. METHODS: We examined the interactive effects of average sleep duration between 6 and 36 months of age and the 5-HTTLPR genotype on negative emotionality/behavioral dysregulation at 36 months in 209 children recruited into a longitudinal birth cohort study...
October 2015: Pediatrics