Inclusion Criteria:  clinical diagnosis of epilepsy that based on the International League Against Epilepsy (ILAE) operational clinical definition criteria for epilepsy must be diagnosed by pediatric neurologists must receive treatment for at least one year.  Exclusion Criteria:  to have an IQ ≤80, as measured by the Wechsler Intelligence Scale for Children-Revised Form (WISC-R) or below-average academic performance documented by last year's final school grade to have a history of psychiatric, developmental disorder, or psychosis to have a history of progressive neurological disorder other than epilepsy to have any complaint (e.g., behavior problems, depression, or anxiety) that could interfere with sleep to have a caregiver who has any medical or psychiatric condition (e.g., depression or anxiety) that could interfere with sleep.