Baby Sleep Problems Guide: Scientific Evidence

How can you be sure that our guide to solving baby sleep problems works? Because it’s based on scientific research. This article explains the evidence.

Solving baby sleep problems: the evidence

The strategies recommended in our guide for solving baby sleep problems are based on scientific evidence of what works in solving infant sleeping and settling problems. In addition, the strategies presented in the guide have been specifically evaluated in Australian research. Here we describe this research and its findings.

Sleep problems and postnatal depression

Sleep problems in babies and postnatal depression in parents are common experiences in Australian families. Recent research reveals that 38% of parents believe that their four-week-old baby has a sleep problem. Approximately 13% of women and 10% of men experience postnatal depression in the 12 months following the birth of their baby.

Both problems can have serious consequences for families and adversely affect child development.

There also appears to be a link between baby sleep problems and depression in mothers, but research is yet to work out what is causing what. Does maternal depression affect how babies sleep? Does disrupted sleep cause depression in mothers? Or is it simply that depressed mothers notice or report more sleep problems than non-depressed mothers?

Research has yet to look at the issue of depression in fathers and sleep problems in babies.

Could a simple sleep plan help babies and mothers?

If baby sleep problems and maternal depression are associated, it’s possible that helping parents resolve sleep problems might also have a positive effect on a mother’s mood and well-being.

Dr Harriet Hiscock and Dr Jordana Bayer, researchers from the Center for Community Child Health (Royal Children’s Hospital, Melbourne) decided to research this question. They wanted to find out whether simple behavior strategies – controlled comforting and camping out – would be effective in reducing both sleep problems in babies and symptoms of depression in mothers.

The study

A total of 328 mothers took part in the research. All mothers were reporting significant sleep problems with their babies at seven months of age. 

Some of these mothers were randomly allocated to a program (treatment group) where they received consultations from a child and family health nurse. The nurse helped the mothers develop an individualized sleep management plan. The plan involved positive bedtime routines, controlled comforting or camping out, and strategies for phasing out night-time feeds and dependence on dummies.

The other mothers (control group) didn’t receive the program – instead, they received an information sheet on normal childhood sleep.

Sleep diaries kept by the mothers and a postnatal depression questionnaire were used to assess the effects of the program.

What did the study find?

When infants were 10, 12 and 24 months old, all mothers were asked about their child’s sleep and their own mood. Here is a summary of what the researchers found:

  • The program was effective in helping parents resolve infant sleep problems. Sleep problems were resolved for more participants in the treatment group than in the control group and those sleep problems that remained in the treatment group were less severe. These findings were maintained at two years.
  • The intervention was also effective in reducing depression symptoms overall. These results were maintained at two years, with mothers in the treatment group less likely to report high levels of depression compared to mothers in the control group.
  • The results were best for mothers who entered the study with higher levels of depression. They reported greater improvements in their baby’s sleep problems and greater reductions in their depression symptoms than mothers in the control group.
  • In other findings, the program was found to be acceptable to mothers and reduced the need for other help from professionals.

What can we conclude?

This research is consistent with previous research that has found simple behavior strategies to be effective in addressing sleeping problems in young children. The results also suggest there might be real benefits for the health and well-being of mothers when infant sleep problems are effectively addressed.

Study follow-up

The researchers decided to find out how the families who completed the program were going when their children were 3-4 years old. Most sleeping problems had been resolved (including those in the control group). But nearly one in five problems had returned. The researchers speculated that parents might have been reporting sleeping difficulties caused by other reasons now that the children were older. 

The good news was that regardless of whether there were sleep difficulties, all families were functioning well.

source raising children network

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