Sleep patterns in children with and without autism spectrum disorders: developmental comparisons.

The present study examined age-related changes in the sleep of children with autism spectrum disorders (ASD) compared to age-related changes in the sleep of typically developing (TD) children. Participants were 108 mothers of children with ASD and 108 mothers of TD children. Participants completed a questionnaire on children's overall sleep quality that also tapped specific sleep-domains (i.e., bedtime resistance, sleep onset delay, sleep duration, sleep anxiety, night wakings, parasomnias, disordered breathing, daytime sleepiness). Results confirm significantly poorer sleep quantity and quality in children with ASD, particularly children age 6-9 years. Unlike TD children, the sleep problems of children with ASD were unlikely to diminish with age. Our findings suggest that it is important to exam specific domains of sleep as well as overall sleep patterns. Finding of significant age-related interactions suggests that the practice of combining children from wide age-ranges into a single category obfuscates potentially important developmental differences.

Relationship between children's sleep and mental health in mothers of children with and without autism.

The study employed 90 children with autism spectrum disorders (ASDs) who were matched to 90 typically developing children on age, gender, and ethnicity. Using structural equation modeling, maternal sleep and maternal stress mediated the relationship between children's sleep and mothers' mental health for mothers of children with and without ASDs. Mothers of children with ASDs reported more problems related to children's sleep, their own sleep, greater stress, and poorer mental health; however, children's sleep and maternal sleep were more closely related to maternal stress for mothers of typically developing children. Implications of these findings and future directions for research are discussed.

Sleep problems of parents of typically developing children and parents of children with autism.

Few researchers have investigated the relation of children's sleep problems to their parents' sleep problems. Children with autism have been reported to evidence greater sleep problems than do typically developing children (C. D. Hoffman, D. P. Sweeney, J. E. Gilliam, & M. C. Lopez-Wagner, 2006; P. G. William, L. L. Sears, & A. Allard, 2004). In the present study, parents (N = 106) of children independently diagnosed with autism (4-16 years of age; M= 8.20 years, SD = 2.69 years) reported greater sleep problems for themselves than did parents (N = 168) of typically developing children (4-15 years of age; M = 8.62 years, SD = 3.28 years). Children's sleep problems were related to parents' sleep problems for both groups; in the autism group, children's level of symptomatology was not related to their parents' sleep. The authors suggest areas for further research on the sleep problems of children and their parents, the potential interaction of these problems with children's symptomatic behavior, and the relations of these factors to child, parent, and family functioning.