Unidirectional and bidirectional links between maternal depression symptoms and infant sleep problems
Cláudia Castro Dias1, Bárbara Figueiredo1
1School of Psychology, University of Minho, Braga, Portugal.
Journal of Sleep Research
|April 26, 2021
Summary
Maternal depression links to infant sleep issues, especially in boys. Infant sleep problems also worsen maternal mood, with boys being more affected by these bidirectional links.
Area of Science:
- Developmental Psychology
- Maternal Mental Health
- Infant Sleep Science
Background:
- Maternal depression is a significant concern affecting family well-being.
- Infant sleep problems are prevalent and can impact maternal mental health.
- Understanding the interplay between maternal mood and infant sleep is crucial.
Purpose of the Study:
- To investigate unidirectional and bidirectional relationships between maternal depression symptoms and infant sleep problems.
- To examine the moderating role of infant sex in these associations.
- To clarify the temporal links from pregnancy through early infancy.
Main Methods:
- Longitudinal study with 312 mothers.
- Maternal depression assessed during the third trimester and at 2 weeks, 3, and 6 months postpartum.
- Infant sleep problems assessed at 2 weeks, 3, and 6 months postpartum.
Main Results:
- Maternal prenatal depression symptoms predicted infant unsettled sleep and daytime sleepiness at 3 and 6 months.
- Bidirectional links were found between maternal postpartum depression and infant unsettled sleep from 2 weeks to 6 months.
- These associations were significant specifically for boys and their mothers, indicating sex-specific effects.
Conclusions:
- Maternal depression influences infant sleep, and infant sleep issues can exacerbate maternal depression.
- Infant boys and their mothers exhibit greater vulnerability to these interconnected challenges.
- Early identification and intervention for maternal depression and infant sleep problems are vital, particularly for male infants.
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