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Parents completed the Neurobehavioral Evaluation Tool about their child, a validated online platform that includes sleep subscales, and a demographic and clinical information survey.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Latent profile analysis identified five distinct sleep profiles: low sleep symptomatology; early morning somnolence; insomnia symptoms; high sleep symptomatology; and bedtime resistance. Sleep profiles differed on age and intellectual functioning. Additionally, the profiles significantly differed on several behavioral and psychiatric problems, including increased self\u2010injury in the insomnia symptoms profile, and greater depressed affect in the high sleep symptomatology profile.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Interpretation<\/jats:title>\n                    <jats:p>The findings of this study highlight distinct sleep profiles across a range of NGDs, regardless of clinical diagnosis. Moreover, differences on key clinical and psychiatric correlates provide evidence for the role of sleep as a transdiagnostic marker across NGDs, with implications for early, targeted sleep assessment and interventions that may have broader positive mental health impacts.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/dmcn.70337","type":"journal-article","created":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T05:22:46Z","timestamp":1782278566000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Sleep profiles in individuals with rare neurogenetic syndromes"],"prefix":"10.1111","author":[{"given":"Isabella C.","family":"Reyes","sequence":"first","affiliation":[{"name":"Department of Psychiatry and Behavioral Sciences Stanford University  Stanford CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6951-2667","authenticated-orcid":false,"given":"Thomas W.","family":"Frazier","sequence":"additional","affiliation":[{"name":"Psychology John Carrol University  Cleveland OH USA"},{"name":"Departments of Pediatrics and Psychiatry SUNY Upstate Medical University  Syracuse New York USA"},{"name":"Autism Speaks  New York New York USA"},{"name":"CentralReach  Fort Lauderdale FL USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonio Y.","family":"Hardan","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Behavioral Sciences Stanford University  Stanford CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lacey","family":"Chetcuti","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Behavioral Sciences Stanford University  Stanford CA USA"},{"name":"Yale Child Study Center Yale University  New Haven CT USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel J. 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