Effects of breastfeeding and co-sleepingThe researchers also found that some parental practices were related to variability in sleep patterns. For example, breastfeeding and co-sleeping were associated with more variability in sleep patterns night to night. They shouldn’t worry if their baby doesn’t sleep through the night at a specific age because sleep patterns differ a lot in infancy,” says Pennestri. “One important piece of the puzzle is understanding parents’ perceptions and expectations of infant sleep. Over half of McGill students claim a first language other than English, including approximately 19% of our students who say French is their mother tongue.
