RecruitingDevice studyHumidity in Incubators for Tiny InfantsThe objective of the study is to compare different supplemental incubator humidification strategies for infants \<25 weeks' gestation admitted to the neonatal intensive care unit (NICU). The study aims to compare higher (90%) and lower (70%) starting relative humidity (RH), as well as shorter (10 days) and longer (28 days) duration of humidity supplementation.