Sleep disturbances are associated with feeding practices and age in preterm infants.

Background: Preterm infants are under risk of several shortcomings including sleep disturbances (SD). This cross-sectional study evaluated factors associated with SD in preterm and low birth weight infants in a reference center for preterm children at a University Hospital, southeastern Brazil.

Methods: A hundred-four dyads of mothers-infants 0-3 years participated.