{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T07:00:07Z","timestamp":1768028407877,"version":"3.49.0"},"reference-count":46,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2007,11,21]],"date-time":"2007-11-21T00:00:00Z","timestamp":1195603200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2007,12]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Children\u2019s vagal tone and vagal suppression were examined as moderators of associations between children\u2019s sleep disruptions and adjustment problems. A relatively large sample (<jats:italic>n<\/jats:italic>\u2003=\u2003167) of boys and girls who ranged in age between 8 and 9\u2003years participated with their parents. Sleep was examined via actigraphy in the child\u2019s home for seven consecutive days. Children\u2019s vagal tone was examined during baseline conditions, and their vagal suppression was assessed in response to an inter\u2010adult argument. In comparison with children exhibiting higher levels of vagal tone, those with lower vagal tone were at increased risk of externalizing problems, depression symptoms and higher body mass index associated with increased sleep disruptions (i.e. lower Sleep Efficiency, increased Wake Minutes and fewer Sleep Minutes). Thus, lower vagal tone functioned as a vulnerability factor for adjustment problems in the context of sleep problems. A higher level of vagal suppression to the inter\u2010adult argument functioned as a protective factor against externalizing behaviors otherwise associated with increased Wake Minutes and reduced Sleep Efficiency. Findings demonstrating the moderating role of vagal functioning in the context of sleep disruptions are novel, and highlight the importance of individual differences in children\u2019s physiological regulation for sleep and adjustment.<\/jats:p>","DOI":"10.1111\/j.1365-2869.2007.00618.x","type":"journal-article","created":{"date-parts":[[2007,11,21]],"date-time":"2007-11-21T12:40:19Z","timestamp":1195648819000},"page":"396-405","source":"Crossref","is-referenced-by-count":54,"title":["Children\u2019s sleep and adjustment: the moderating role of vagal regulation"],"prefix":"10.1111","volume":"16","author":[{"given":"MONA","family":"EL\u2010SHEIKH","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"STEPHEN A.","family":"ERATH","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"PEGGY S.","family":"KELLER","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,11,21]]},"reference":[{"key":"e_1_2_6_2_1","volume-title":"Scoring actigraph data using ACTION\u2010W 2","author":"Acebo C.","year":"2001"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/22.1.95"},{"key":"e_1_2_6_4_1","volume-title":"Multiple Regression: Testing and Interpreting Interactions","author":"Aiken L. 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