{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T18:48:38Z","timestamp":1791571718907,"version":"4.3.4"},"reference-count":65,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2024,11,12]],"date-time":"2024-11-12T00:00:00Z","timestamp":1731369600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001826","name":"ZonMw","doi-asserted-by":"publisher","award":["555003205"],"award-info":[{"award-number":["555003205"]}],"id":[{"id":"10.13039\/501100001826","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    Sleep difficulties are presumably a transdiagnostic factor in the complex aetiology of psychiatric disorders in youth. This study assessed the prevalence of sleep difficulties in children and adolescents seeking specialized psychiatric care, examined the relationships of internalizing and externalizing problems, and considered the moderating role of sex and age on these relationships. Parent\u2010reported data on difficulties initiating sleep, difficulties maintaining sleep, early morning awakenings and daytime fatigue from a large sample of children and adolescents referred for specialized psychiatric care (\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u20094638; &lt;\u200918\u2009years) were used to estimate prevalence rates. To examine associations between these sleep difficulties and internalizing\/externalizing problems, multiple linear regression analyses were conducted on available data (\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u20093768) stratified in three age groups (1.5\u20135\u2009years; 6\u201311\u2009years; 12\u201318\u2009years). Overall prevalence, i.e. at least one sleep difficulty was reported to be often or always present, was 65%. Difficulties initiating sleep occurred the most, closely followed by daytime fatigue. In all age groups, sleep difficulties were positively related to internalizing and externalizing problems. In young children and school\u2010age children, age moderated the interaction between sleep difficulties and internalizing problems. To conclude, prevalence rates of sleep difficulties in children with mental illness appear higher than it has been reported in the general youth population, especially difficulties initiating sleep and daytime fatigue. We observed that the associations between internalizing problems and sleep difficulties in young children and school\u2010age children seemed to be amplified with age, suggesting a negative, bidirectional, spiral in development.\n                  <\/jats:p>","DOI":"10.1111\/jsr.14398","type":"journal-article","created":{"date-parts":[[2024,11,13]],"date-time":"2024-11-13T07:01:51Z","timestamp":1731481311000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["The relationship between sleep difficulties and externalizing and internalizing problems in children and adolescents with mental illness"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-8805-2508","authenticated-orcid":false,"given":"Emilie M. A.","family":"van Tetering","sequence":"first","affiliation":[{"name":"Radboud University Medical Centre Department of Psychiatry  Nijmegen The Netherlands"},{"name":"Karakter, Child and Adolescent Psychiatry  Nijmegen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabry W.","family":"Mies","sequence":"additional","affiliation":[{"name":"Karakter, Child and Adolescent Psychiatry  Nijmegen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helen","family":"Klip","sequence":"additional","affiliation":[{"name":"Karakter, Child and Adolescent Psychiatry  Nijmegen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sigrid","family":"Pillen","sequence":"additional","affiliation":[{"name":"Kinderslaapexpert BV (Pediatric Sleep expert Ltd)  Mook The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jet B.","family":"Muskens","sequence":"additional","affiliation":[{"name":"Radboud University Medical Centre Department of Psychiatry  Nijmegen The Netherlands"},{"name":"Karakter, Child and Adolescent Psychiatry  Nijmegen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tinca J. C.","family":"Polderman","sequence":"additional","affiliation":[{"name":"Amsterdam Public Health Research Institute Amsterdam UMC  Amsterdam The Netherlands"},{"name":"Amsterdam UMC, VKC Psyche Child and Adolescent Psychiatry and Psychosocial care  Amsterdam The Netherlands"},{"name":"Levvel, Academic Center for Child and Adolescent Psychiatry  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Malindi","family":"van der Mheen","sequence":"additional","affiliation":[{"name":"Amsterdam Public Health Research Institute Amsterdam UMC  Amsterdam The Netherlands"},{"name":"Amsterdam UMC, VKC Psyche Child and Adolescent Psychiatry and Psychosocial care  Amsterdam The Netherlands"},{"name":"Levvel, Academic Center for Child and Adolescent Psychiatry  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wouter G.","family":"Staal","sequence":"additional","affiliation":[{"name":"Radboud University Medical Centre Department of Psychiatry  Nijmegen The Netherlands"},{"name":"Karakter, Child and Adolescent Psychiatry  Nijmegen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-5914-4048","authenticated-orcid":false,"given":"Sara","family":"Pieters","sequence":"additional","affiliation":[{"name":"Karakter, Child and Adolescent Psychiatry  Nijmegen The Netherlands"},{"name":"Behavioural Science Institute Radboud University  Nijmegen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,11,12]]},"reference":[{"key":"e_1_2_9_2_1","volume-title":"Manual for the ASEBA preschool forms and profiles","author":"Achenbach T. 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