Study Supports Notion of Leaving Infants to Cry Themselves Back to Sleep

January 2, 2013

Science Daily/Temple University

Today, mothers of newborns find themselves confronting a common dilemma: Should they let their babies "cry it out" when they wake up at night? Or should they rush to comfort their crying little one?

 

"By six months of age, most babies sleep through the night, awakening their mothers only about once per week. However, not all children follow this pattern of development," said Weinraub, an expert on child development and parent-child relationships.

 

Of the babies that awoke, the majority were boys. These transitional sleepers also tended to score higher on an assessment of difficult temperament which identified traits such as irritability and distractibility. And, these babies were more likely to be breastfed. Mothers of these babies were more likely to be depressed and have greater maternal sensitivity.

 

The findings suggest a couple of things, said Weinraub. One is that genetic or constitutional factors such as those that might be reflected in difficult temperaments appear implicated in early sleep problems. "Families who are seeing sleep problems persist past 18 months should seek advice," Weinraub said.

 

Another takeaway is that it is important for babies to learn how to fall asleep on their own. "When mothers tune in to these night time awakenings and/or if a baby is in the habit of falling asleep during breastfeeding, then he or she may not be learning to how to self-soothe, something that is critical for regular sleep," she said.

 

According to Weinraub, the mechanism by which maternal depression is connected to infant awakenings is an area that would benefit from further research. On the one hand, Weinraub said, it's possible that mothers who are depressed at six and 36 months may have been depressed during pregnancy and that this prenatal depression could have affected neural development and sleep awakenings. At the same time, it's important to recognize that sleep deprivation can, of course, exacerbate maternal depression, she said.

 

"Because the mothers in our study described infants with many awakenings per week as creating problems for themselves and other family members, parents might be encouraged to establish more nuanced and carefully targeted routines to help babies with self-soothing and to seek occasional respite," said Weinraub.

http://www.sciencedaily.com/releases/2013/01/130102161811.htm

 

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