Moderately Preterm Infants With Caffeine at Home for Apnea (MoCHA) Trial

Inclusion Criteria: * Inborn and outborn infants of 29 0/7 to 33 6/7 weeks gestational age at birth * admitted to hospitals of the NICHD NRN who, are at time of enrollment: * ≤35 6/7 weeks post-menstrual age at the time of randomization * Receiving caffeine with plan to discontinue treatment or just discontinued caffeine treatment * Receiving feeds at a volume of ≥120 ml/kg/day by oral and/or tube feeding * Ability to start study medication within 72 hours after stopping caffeine Exclusion Criteria: * On respiratory therapy (oxygen more than room air equivalent for high altitude sites, nasal cannula, continuous positive pressure ventilation, and/or mechanical ventilation) * Infants who would otherwise be discharged home on apnea monitor due to underlying disease or family history, including history of a sibling with sudden infant death syndrome * Parental request for apnea monitor * Congenital heart disease other than atrial septal defect, ventricular septal defect, or patent ductus arteriosus * Neuromuscular conditions affecting respiration * Major congenital malformation and/or genetic disorder * Plans to transfer to a non-NRN site before discharge * Unable to obtain parental or guardian consent