the impact of a sleep hygiene intervention on sleep habits in children with attention deficit/hyperactivity disorder

backgroundattention deficit/hyperactivity disorder (adhd) is one of the most common neurodevelopmental disorders of childhood. up to 50% of these children suffer from at least one comorbid sleep disorder. considering the deleterious effects of sleep problems on all aspects of children&apos;s life, this study was designed to investigate the impact of a sleep hygiene intervention on sleep habits in children with adhd and comorbid sleep disorders.materials and methodsthis randomized controlled trial, was conducted on 62 children aged 7 to13 years with diagnosis of adhd and comorbid sleep disorders. children&apos;s sleep habits questionnaire (cshq) was completed by children&apos;s mothers and then the participants allocated randomly into experimental (n=28) and control (n=28) groups. mothers of the children in experimental group received a sleep hygiene educational intervention which was delivered through a training session and a booklet followed by two telephone calls and educational text messages. participants in the control group received usual clinical care. the post-test was performed two months after intervention.results56 children (case and control groups) completed the survey (mean age 8.62 ± 1.57 years). data analysis showed that, compared with control children, experimental children had a significant- reduction in mean scores of bedtime resistance (p<0.05), sleep onset delay (p<0.05), sleep duration (p<0.05), sleep anxiety (p<0.05), daytime sleepiness (p<0.05) and total score of cshq (p<0.05), after controlling pre-test.conclusionthe sleep hygiene intervention improved sleep problems in a sample of children with adhd by parent report. the findings of this study support the design, implementation and evaluation of educational programs on good sleep-hygiene practices for children and adolescents.