The goal of this clinical trial is to learn if the use of PIMUN(medical device) works to reduce the intermittent hypoxemia of 24-34 weeks of birth gestational age babies. . It will also learn about the safety of the use of PIMUN. The main questions it aims to answer are: Does PIMUN lower the time of oxygen saturation under 90%? What medical problems do participants have using PIMUN? Researchers will compare the use of PIMUN during 48 hours to 48 hours of usual treatments (not using PIMUN). Participants will: Use/ or not use of PIMUN for a 48 hours period- randomly assigned. Regional brain oxygenation by near infrared spectroscopy (NIRS) monitoring at the first day of each 48 hours period. 4-6 hours of polysomnography at the second day of each intervention. Plasma and urine stress oxygen metabolites at the end of each 48-hours intervention.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Total Time of Oxygen Saturation <90%
Timeframe: 48-hour data baseline versus 48- hour data with PIMUN