Changes in Sleep of Families After the Arrival of an Autism Service Dog.

This study aimed to investigate the changes in sleep quality and quantity among families following the arrival of an autism service dog. We hypothesized that the sleep of the child or adolescent with autism spectrum disorder (assessed objectively with actigraphy and subjectively with a parent-reported sleep diary), and of both parents (assessed by self-reported diaries) would improve after the dog's arrival. The sleep of 18 youths (15 boys) aged from 5 to 16 years (M = 8.86), and of their parents (14 mothers, 11 fathers) was assessed for a 5- to 7-day period before (pretest) and eight to ten weeks after the dog's arrival (posttest). A designated parent (the same at the pretest and posttest) completed the sleep diary of the child, who wore an actiwatch in the meantime. Significant improvement in most sleep parameters was observed from pretest to posttest for the child and the mother, as reported in the sleep diaries. However, there was no improvement in the child's sleep when assessed objectively. Fathers' sleep duration increased after the dog's arrival, when adjusting for the child's age. All significant effects had medium to large sizes. This study provides the first quantitative evidence of the positive effect of autism service dogs on the sleep of families. These findings suggest that the dog's presence may increase the sense of safety for the child, who would resume sleeping faster or stay in the bedroom after nocturnal awakenings, leading to improved parents' sleep.