Inclusion criteria:
Parental Consent for Infant Participation in Research
The baby's age ranges from 28 to 36 weeks and 6 days (based on LMP or ultrasound)
Be under non-invasive ventilation and have not been at most 24 hours since the onset of non-invasive ventilation
No invasive action was taken on the infant 2 hours before entering the study.
Normality of OAE test
No Counter-Indication to Change Positions
Lack of drug use in the mother during pregnancy and after childbirth
Not taking medications that affect the baby's sleep-wake cycle, such as theophylline, phenobarbital
Lack of sedatives such as midazolam and fentanyl
Absence of congenital abnormalities such as meningocele and meningomyelocele, meningitis, seizures, encephalopathy, congenital anomalies, asphyxia, intracranial hemorrhage greater than first-degree, sepsis, heart disease, metabolic and anemia.
The baby is not SGA or IUGR.
Having an Apgar score of 5 minutes above 6
Surgery on the baby after birth.
Exclusion criteria:
Poor baby (loss of consciousness, spo2 drop and change of vital signs from normal range)
Dissatisfaction of the parent of the guardian to the continuation of the infant's participation in the research
Infant death during the study
Infant Transfer
Need for invasive procedures during intervention
Prescription of sedative drugs during intervention
Developing neurological disorders such as seizures, grade 3 and 4 ventricular bleeding, sepsis
Need for surgery
Severe medical conditions that require the use of treatments such as sedatives, muscle relaxants, and analgesic medications
Performing LP in baby
Inappropriate medical condition, such as an unstable clinical condition
Need for surgery