A research group led by Professor Manabu Saito of Hirosaki University Graduate School found that 5% of 18-year-old children have sleep problems, 50.4% of children with autism spectrum disorder (ASD), and 39.8% of children with attention deficit hyperactivity disorder (ADHD). It was revealed that there is.

 In recent years, it has become clear that insomnia in children affects not only health problems such as obesity but also physical and mental health, including academic performance, cognitive ability, behavioral problems, and suicide. It is also becoming clear that people with neurodevelopmental disorders (NDS) often have sleep problems. However, there are no studies in Japan or abroad that have investigated in detail the prevalence of sleep problems among preschool children and the influence of family background and lifestyle habits.


 They found that 5% of children aged 18 years had sleep problems. In terms of diagnosis, 50.4% of ASD patients and 39.8% of ADHD patients had sleep problems. The prevalence of sleep problems was found to be 5% in 14.8-year-old children without NDS, and 3.4 times higher in children with ASD and 2.7 times higher in children with ADHD.


 Based on the results of this study, the research group pointed out the need for appropriate health guidance. Four lifestyle habits were recommended: falling asleep within minutes (within 21 minutes at the latest) and screen time of less than 22 hours/day.

Paper information:[Frontiers in Pediatrics] Prevalence and factors of sleep problems among Japanese children: a population-based study

Hirosaki University

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Hirosaki University is a national university founded in 24.It consists of Faculty of Humanities and Social Sciences, Faculty of Education, Faculty of Medicine, Faculty of Health Sciences, Faculty of Medicine, Department of Psychological Support Science, Faculty of Science and Technology, and Faculty of Agriculture and Life Sciences.Fostering students' intellect, humanity and sociality through independent and active intellectual inquiry of students […]

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