Inclusion Criteria:  Hospitalized patients at Cerrahpaşa Faculty of Medicine Pediatric Intensive Care Unit 1, Aged between 1 months-6 years, Having been in intensive care for at least two days, Concious pediatric patient, Receiving supplemental oxygen therapy with non-invasive mechanical ventilation or an oxygen mask, Being administered chest physiotherapy (Tapotement or Vibration), Being administered oropharyngeal and nasopharyngeal aspiration, Inhaler drug therapy included in the patient's order, Parents, volunteering for the study.  Exclusion Criteria:  Parents not volunteering for the study, Patients younger than 1-month or older than 6-years old, Not receiving supplemental oxygen therapy with non-invasive mechanical ventilation or an oxygen mask Not being administered oropharyngeal and nasopharyngeal aspiration, Inhaler drug therapy is not included in the physician's order.