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Factors Related to the Sleep Duration of 3-Month-Old Infants

Paula Louro Silva1, Tamiris Ramos1, Natalia Pinheiro Castro1

  • 1Department of Nutrition, School of Public Health, Universidade de São Paulo, São Paulo, SP, Brazil.

Sleep Science (Sao Paulo, Brazil)
|September 13, 2024
PubMed

Insights

Infant sleep duration at three months is impacted by health and household factors. Promoting healthy sleep habits and early diagnosis of illness are crucial for improving infant sleep.

Area of Science:

  • Pediatrics
  • Sleep Medicine
  • Public Health

Background:

  • Adequate sleep duration is vital for infant development and well-being.
  • Factors influencing infant sleep patterns require further investigation.

Purpose of the Study:

  • To identify maternal, newborn, and infant factors associated with sleep duration in 3-month-old infants.

Main Methods:

  • Cross-sectional study in Araraquara, Brazil (2021-2023) with 140 mother-infant dyads.
  • Data collected on maternal and infant characteristics, including morbidity.
  • Sleep duration assessed using the Brief Infant Sleep Questionnaire (BISQ).
  • Multivariate linear regression analyzed associations with sleep duration.

Main Results:

  • Average nighttime sleep duration was 9 hours.
  • Negative associations found with prone sleep position, late sleep onset (after 8:30 PM), respiratory infection, dermatitis, and presence of younger siblings.
  • Late sleep onset after 11:00 PM showed a significant negative association (p < 0.001).

Conclusions:

  • Infant morbidity, household composition (younger siblings), and sleep habits significantly affect sleep duration in 3-month-olds.
  • Early diagnosis of infant illness and promotion of healthy sleep practices are essential for optimizing infant sleep quality and duration.

Keywords:
infantsmorbiditysleepsleep duration

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