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Associations of early life risk factors with infant sleep duration

Michael D Nevarez1, Sheryl L Rifas-Shiman, Ken P Kleinman

  • 1Obesity Prevention Program, Department of Population Medicine, Harvard Pilgrim Health Care and Harvard Medical School, Boston, Massachusetts 02215, USA.

Academic Pediatrics
|March 30, 2010
PubMed

Insights

Maternal depression, early solids, and TV viewing are linked to shorter infant sleep. Minority infants also sleep less, highlighting modifiable factors for better child sleep duration.

Area of Science:

  • Pediatrics
  • Child Development
  • Public Health

Background:

  • Insufficient sleep in children is linked to negative health outcomes.
  • Early life factors can significantly influence infant sleep patterns.
  • Understanding these associations is crucial for promoting healthy child development.

Purpose of the Study:

  • To investigate the relationship between early life risk factors and infant sleep duration.
  • To identify specific maternal and infant characteristics associated with reduced sleep.
  • To inform interventions aimed at improving infant sleep.

Main Methods:

  • A prebirth cohort study included 1676 mother-infant pairs.
  • Infant sleep duration was assessed at 6 months, 1 year, and 2 years of age.
  • Multivariable regression models analyzed associations between risk factors and sleep duration.

Main Results:

  • Maternal antenatal depression, early introduction of solids (<4 months), and TV viewing were associated with shorter sleep durations at 1 and 2 years.
  • Child care attendance was linked to reduced sleep at 2 years.
  • Racial/ethnic minority infants (Black, Hispanic, Asian) slept fewer hours than white infants.

Conclusions:

  • Maternal depression, early solid food introduction, infant TV viewing, and child care attendance are associated with shorter infant sleep.
  • Racial and ethnic disparities in infant sleep duration were observed.
  • These findings underscore the importance of considering modifiable risk factors in clinical practice to address infant sleep duration.
Abstract

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