J Perinat Neonatal Nurs. 2007 Jul-Sep;21(3):200-6.
 
Breast-feeding Increases Sleep Duration of New Parents.
Doan T, Gardiner A, Gay CL, Lee KA.

From the Department of Family Health Care Nursing, School of Nursing,
University of California at San Francisco.
OBJECTIVES: This study describes sleep patterns for mothers and fathers
after the birth of their first child and compares exclusive breast-feeding
families with parents who used supplementation during the evening or night
at 3 months postpartum. METHODS: As part of a randomized clinical trial, the
study utilized infant feeding and sleep data at 3 months postpartum from 133
new mothers and fathers. Infant feeding type (breast milk or formula) was
determined from parent diaries. Sleep was measured objectively using wrist
actigraphy and subjectively using diaries. Lee's General Sleep Disturbance
Scale was used to estimate perceived sleep disturbance. RESULTS: Parents of
infants who were breastfed in the evening and/or at night slept an average
of 40-45 minutes more than parents of infants given formula. Parents of
infants given formula at night also self-reported more sleep disturbance
than parents of infants who were exclusively breast-fed at night.
CONCLUSIONS: Parents who supplement their infant feeding with formula under
the impression that they will get more sleep should be encouraged to
continue breast-feeding because sleep loss of more than 30 minutes each
night can begin to affect daytime functioning, particularly in those parents
who return to work.


Esther G

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