Inclusion Criteria:  Reside in Canada Have internet/computer and smartphone access and an email account for the completion of online questionnaire and for accessing the intervention Be comfortable reading and writing in English child has at least 1 behaviourally-based sleep problem (i.e., either difficulty falling asleep, staying asleep, and early morning awakenings)  Exclusion Criteria:  Child should not have a significant mental or physical health condition (i.e., defined as the child being ambulatory, not hospitalized or in residential care, and able to complete developmentally appropriate daily activities as expected for their age) Child should not have a known intrinsic sleep disorder (e.g., sleep apnea) Child should not be taking a sleep medication