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Giving Babies Solid Foods Sooner Could Help Improve Their Sleep: Study

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Babies who are given solid foods as well as breast milk from the age of three months show signs of sleeping better than infants fed only with milk until they are six months old, a new study carried out in Britain suggests.

While the practice did not provide for totally uninterrupted nights of sleep, the study of 1,303 children in England and Wales between 2009 and 2012 showed that babies given solids earlier than currently recommended did improve their sleep patterns.

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The World Health Organization recommends that parents wait until the age of six months to give their infants solid foods to ensure they get the most benefit from the nutrients found in breast milk or formula. However, a previous U.S. study found that while the majority of babies are being introduced to solids sooner, parents are doing this in place of breast milk or formula, rather than as an addition.

For the latest U.K. research, the parents of half the children were encouraged to feed their babies solids, such as white fish or wheat, before six months, while the other half were told to stick to breast milk alone until that time.

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The results, published Monday in JAMA Pediatrics, showed that the babies who started earlier on solids slept longer and woke up fewer times in the night.

The effect was slight but notable. The study showed that feeding babies solids brought down the median number of times they woke in the night from 2.01 to 1.74 times per night.

The duration of sleep also differed, with a peak of 16 minutes more sleep per night by the age of six months.

"In a randomized clinical trial, the early introduction of solids into the infant's diet was associated with longer sleep duration, less frequent waking at night, and a reduction in reported very serious sleep problems," the report said.

The researchers from King's College, London, and the University of London admitted it was possible that mothers giving their babies solids may have responded to their questions in a more positive manner, having expected a positive effect, since many parents already believe that the practice encourages better sleep.

But they said it was unlikely that the bias would have persisted beyond six months.

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