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Disturbed nights and 3-4 month old infants: the effects of feeding and thermal environment
M P Wailoo1, S A Petersen, H Whitaker
1University of Leicester, Department of Child Health.
Insights
About half of 3-4 month old infants woke their parents at night. Over-bundling and warm rooms were linked to increased night wakings, potentially due to thermoregulation discomfort.
Area of Science:
- Pediatrics
- Sleep Science
- Infant Care
Background:
- Infant sleep disturbances are common.
- Understanding factors influencing infant sleep is crucial for parental well-being and infant development.
Purpose of the Study:
- To investigate factors associated with night wakings in 3-4 month old infants.
- To explore the relationship between infant thermoregulation and sleep disruption.
Main Methods:
- Prospective diary study of 87 infants (3-4 months old) at home.
- Continuous body temperature recording for each infant.
- Parental reporting of night sleep disturbances.
Main Results:
- Approximately 50% of infants disturbed their parents during the night.
- Breastfed infants showed a higher likelihood of waking parents.
- Infants causing disturbances were dressed more warmly and slept in warmer rooms.
Conclusions:
- Infant sleep patterns are influenced by environmental factors and feeding methods.
- Over-bundling and warm environments may contribute to night wakings due to thermoregulation challenges.
- These findings suggest strategies to optimize infant sleep environments and reduce parental disruption.
Abstract:
Parents completed a prospective diary of a night's sleep for 87, 3-4 month old infants at home whose body temperatures were continuously recorded. We found that about half of the babies disturbed their parents in the night. Breast fed babies were more likely to wake parents in the middle of the night. The babies who disturbed their parents in the middle of the night were significantly more heavily wrapped in significantly warmer rooms. We suggest that discomfort from efforts at active thermoregulation in warm environments may lead some babies to disturb their parents at 'unsocial hours'.