RecruitingBehavioural interventionParent-Mediated Telehealth Intervention for Insomnia in Young Autistic ChildrenThis study will evaluate the efficacy of a structured parent-mediated behavioral intervention called Sleep Parent Treatment (SPT) for insomnia in autistic children ages 3 to 7 years 11 months, compared to another behavioral intervention called Sleep Parent Education (SPE). Eligible children will be randomly assigned to either the SPT or SPE intervention for 10 weeks.