Inclusion Criteria:  ASD based on Diagnostic Statistical Manual 5 (DSM-5) criteria a significant mood disorder, sleep disturbance, or exhibit agitation, aggression, or other aberrant behavior that is interfering with function and quality of life, as determined by their psychiatric interview  Exclusion Criteria:  history of alcohol or substance use disorder positive urine tetrahydrocannabinol screen at onset of study individuals who are pregnant, lactating, or planning pregnancy during or within three months of completing the trial individuals with unstable liver disease individuals taking medications where CBD interaction might significantly alter drug levels, such as clobazam