Up to 40% of children will experience sleep problems, such as difficulty with falling or staying asleep, (Mindell et al, 2006 cited in Williamson et al, 2020).   Carrying on with the theme from my last post I would now like to discuss how sleep problems can affect a child's well-being. Research that consisted of a longitudinal study of children in Australia has demonstrated how having sleep problems in early childhood can cause multiple impairments in a child's well-being at age 10-11 years old, (Williamson et al, 2020). The study examined five different sleep trajectories. They found that the children that had limited sleep problems in infancy or preschool only showed small impairments with internalising symptoms such as anxiety or low mood. However, children who demonstrated persistent sleep problems and sleep problems in middle childhood had moderate impairments in their ability to self-control. Goldstein and Walker, 2014, cited in Williamson et al, 2020, showed