Effects of Sleep Disorders on Academic Achievement and Cognitive Functioning in Children and Adolescents: A Meta-Analysis of Polysomnographic Studies

Rey, A. E., Touchette, É. et Mazza, S. (2025). Effects of Sleep Disorders on Academic Achievement and Cognitive Functioning in Children and Adolescents: A Meta-Analysis of Polysomnographic Studies. The American Journal of Psychology, 138 (1). pp. 17-46. ISSN 0002-9556 DOI 10.5406/19398298.138.1.02

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Résumé

Abstract

An adequate amount of good sleep is important for optimal cognitive functioning and successful academic achievement. Children with sleep disorders often experience cognitive impairments, underscoring the need for thorough assessment and effective management. This meta-analysis examines the impact of sleep disorders on cognitive functioning outcomes in children and adolescents (3–18 years old). Across 50 studies, 3,001 children with sleep disorders or disorders associated with sleep troubles and 1,425 control participants, as confirmed by polysomnographic assessments, were included. Results indicated that children with sleep-related breathing disorders showed small to large deficits in cognitive areas such as general intelligence (p < .001), memory (all ps < .022), attention (all ps < .007), cognitive flexibility (p < .001), processing speed (all ps < .001), and language (all ps < .037). In contrast, children with insomnia showed no significant impairments compared with controls (all ps > .11), although data were limited. Those with central disorders of hypersomnolence had lower immediate and long-term memory (p = .023, p = .016) and sustained attention (p < .001). Children with neurological or neurodevelopmental-related sleep disorders showed deficits in verbal IQ (p = .038), memory (p < .001), inhibitory control (p = .016), cognitive flexibility (p < .001), processing speed (p = .016), and expressive language (p = .005). Further research is needed on these latter groups. Clinicians, school professionals, and parents need to understand how sleep disorders may detrimentally affect neuropsychological functioning to make recommendations for children with sleep disorders.

Type de document:	Article
Mots-clés libres:	Sleep disorders Cognitive functioning Academic achievement Children Adolescents
Date de dépôt:	01 juin 2026 13:20
Dernière modification:	01 juin 2026 13:20
Version du document déposé:	Post-print (version corrigée et acceptée)
URI:	https://depot-e.uqtr.ca/id/eprint/12921

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