Swaddling to Improve Neurodevelopment for Preterm Babies

Inclusion Criteria: * Born very preterm (\<32 weeks postmenstrual age (PMA)) * At least 12 hours and less than 2 months old * Expected to survive \> 3 days * No congenital anomaly or genetic disorder with expected survival less than term equivalent * No malformations requiring surgery within 1 month of life * Central intravenous lines removed * Approval of the primary neonatologist, ideally not a study team member, to approach family for consent * Appropriate parent or guardian to provide informed consent Exclusion Criteria: * Life expectancy \< 3 days * Severe congenital anomaly or genetic disorder with life expectancy \<40 weeks PMA * Seizures * Need for seizure medication * Hypertension for age requiring medication * Severe hematologic crisis such as disseminated intravascular coagulation * Hydrops fetalis * Clinical concern or diagnosis of toxoplasmosis, cytomegalovirus rubella or syphilis infection * Clinical concern or diagnosis of severe acute respiratory distress syndrome coronavirus 2 (SARS CoV-2) or coronavirus disease (COVID-19) * Central intravenous access and reliance on parenteral nutrition \>50% * Respiratory support greater than nasal canulae or nasal continuous positive airway pressure (CPAP) (i.e. ventilator dependent) * Active infection, including need for antibiotics greater than 5 days (i.e. confirmed infection) * Complex congenital heart disease * Known chromosomal abnormalities * Clinical or echocardiographic signs of symptomatic pulmonary hypertensi…