The infants who ate solid food sooner started with non-allergenic products, then added allergens such as cow’s milk, peanuts, eggs, sesame, white fish and wheat.
This group of children slept on average 16.6 minutes longer per night and woke on average 1.74 times per night, compared to the other group's 2.01 times.
The British government advises mothers to exclusively breastfeed their children until each child is 6 months old, the study says. But only about 1 percent of mothers actually do that, according to the 2010 Infant Feeding Survey.
What do you think? Did you wait until your kid was 6 months to introduce solid food?