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Influence of Ear Protectors on the Sleep of Preterm Newborns: A Randomized Controlled Clinical Study

Mônica Hiromi Sato1, Mavilde da Luz Gonçalves Pedreira1,2, Ariane Ferreira Machado Avelar1

  • 1Federal University of São Paulo, Brazil.

Clinical Nursing Research
|October 20, 2018
PubMed

Insights

Ear protectors did not significantly alter total sleep time in preterm infants. However, for newborns with lower gestational age, ear protection was associated with reduced sleep time.

Area of Science:

  • Neonatal care
  • Sleep studies
  • Auditory protection

Background:

  • Preterm infants in intermediate care nurseries experience noise disturbances.
  • Optimizing sleep is crucial for preterm infant development and recovery.

Purpose of the Study:

  • To evaluate the impact of ear protectors on the sleep patterns of preterm newborns during designated quiet periods in intermediate care nurseries.

Main Methods:

  • A randomized, controlled crossover study design was employed.
  • Data collection involved polysomnography and unstructured observation.
  • The study included 24 preterm infants with a mean gestational age of 33.2 weeks.

Main Results:

  • No significant difference in total sleep time was observed between preterm infants with and without ear protectors.
  • A significant reduction in total sleep time was noted in newborns with lower gestational ages when using ear protectors (p < .05).
  • Ear protection did not lead to an increase in total sleep time for the preterm infants studied.

Conclusions:

  • The use of ear protectors does not enhance total sleep time in preterm infants during quiet nursery periods.
  • Ear protection may negatively impact sleep duration in more premature infants.
  • Further research is needed to understand the nuanced effects of auditory interventions on preterm infant sleep.

Keywords:
neonatal nursingnoisenursing carepreterm newbornssleep

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