{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T19:15:45Z","timestamp":1778786145424,"version":"3.51.4"},"reference-count":48,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T00:00:00Z","timestamp":1772064000000},"content-version":"am","delay-in-days":365,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#am"},{"start":{"date-parts":[[2025,2,26]],"date-time":"2025-02-26T00:00:00Z","timestamp":1740528000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R21MD011388"],"award-info":[{"award-number":["R21MD011388"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01MD015763"],"award-info":[{"award-number":["R01MD015763"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01MD015715"],"award-info":[{"award-number":["R01MD015715"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["BCS\u20101354134"],"award-info":[{"award-number":["BCS\u20101354134"]}],"id":[{"id":"10.13039\/100000001","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":[[2025,10]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    Adolescent sleep health is a global health concern. Sleep difficulties have detrimental consequences for adolescent mental health; however, prior research has typically focussed on a single dimension of sleep, used self\u2010reported data, and relied on cross\u2010sectional designs. Using 14 days of self\u2010reported daily diaries and actigraphy\u2010measured sleep data, this study addressed these gaps by examining the daily associations between sleep difficulties (e.g. longer sleep onset latency, greater sleep disturbance) and adolescent internalising symptoms, with sleep regularity as a moderator of these associations. The sample included 350 adolescents (69.1% females; M\n                    <jats:sub>age<\/jats:sub>\n                    \u2009=\u200914.27, SD\u2009=\u20090.61; 21.32% African American, 40.3% Asian American, 34.9% Latinx, and 2.5% other ethnic\/racial minorities) in the northeastern United States. Adolescents provided daily actigraphy (i.e. sleep duration and wakefulness after sleep onset) and self\u2010reported (i.e. sleep onset latency and sleep disturbance) sleep data. Adolescent internalising symptoms (i.e. anxious mood and somatic symptoms) were also assessed via daily diary reports. The Sleep Regularity Index was a measure of sleep variability using a metric reflecting minute\u2010by\u2010minute assessment of consistency in sleep\/wake patterns, averaged across 14\u2010day wrist actigraphy data. Multilevel modelling analysis accounted for the nested structure of the diary data. Nightly sleep difficulties were linked to more internalising symptoms (i.e. more anxious mood and somatic symptoms) the following day. Sleep regularity moderated the associations between sleep onset latency and sleep duration with adolescent anxious mood, and protected against the negative impact of sleep disturbance on adolescent somatic symptoms. Findings highlight the important role of sleep regularity in the daily links between sleep and internalising symptoms.\n                  <\/jats:p>","DOI":"10.1111\/jsr.14481","type":"journal-article","created":{"date-parts":[[2025,3,11]],"date-time":"2025-03-11T09:09:37Z","timestamp":1741684177000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Sleep difficulties and adolescent internalising symptoms: The moderating role of sleep regularity"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9278-3115","authenticated-orcid":false,"given":"Jinjin","family":"Yan","sequence":"first","affiliation":[{"name":"Department of Psychology Fordham University  Bronx New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2032-0389","authenticated-orcid":false,"given":"Mingjun","family":"Xie","sequence":"additional","affiliation":[{"name":"Institute of Developmental Psychology Beijing Normal University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6303-6172","authenticated-orcid":false,"given":"Zhenqiang","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Psychology Fordham University  Bronx New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9729-5332","authenticated-orcid":false,"given":"Jiwoon","family":"Bae","sequence":"additional","affiliation":[{"name":"Department of Psychology Fordham University  Bronx New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Heining","family":"Cham","sequence":"additional","affiliation":[{"name":"Department of Psychology Fordham University  Bronx New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5784-8318","authenticated-orcid":false,"given":"Mona","family":"El\u2010Sheikh","sequence":"additional","affiliation":[{"name":"Department of Human Development and Family Sciences Auburn University  Auburn Alabama USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tiffany","family":"Yip","sequence":"additional","affiliation":[{"name":"Department of Psychology Fordham University  Bronx New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,2,26]]},"reference":[{"key":"e_1_2_11_2_1","volume-title":"Multiple regression: Testing and interpreting interactions","author":"Aiken L. 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