{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:51:06Z","timestamp":1786978266514,"version":"build-2736575974"},"reference-count":41,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2018,10,18]],"date-time":"2018-10-18T00:00:00Z","timestamp":1539820800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["R01HL096015"],"award-info":[{"award-number":["R01HL096015"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100005492","name":"Stanford University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100005492","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100006521","name":"School of Medicine, Stanford University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100006521","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Obesity Science &amp; Practice"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Sleep disruption in laboratory studies increases adiposity and decreases glucose tolerance. However, few epidemiological studies have used objective measures of sleep. This study aims to assess associations between sleep duration, timing and regularity with measures of adiposity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      This is a cross\u2010sectional study of 188 children with obesity (age: 10.50\u00a0\u00b1\u00a01.39\u00a0years; body mass index: 29.24\u00a0\u00b1\u00a05.04\u00a0kg\u00a0m\n                      <jats:sup>\u22122<\/jats:sup>\n                      ). Nightly sleep duration, bedtime and wake time were measured by multiple\u2010day actigraphy and parent reports. Per cent overweight (per cent over median body mass index for age and sex) was chosen as the primary measure of obesity status. Objective measures of height, weight, waist circumference, blood pressure, fasting blood lipids, glucose, insulin, glycated haemoglobin and C\u2010reactive protein were obtained. Television screen time and total caloric intake were assessed via parent questionnaire.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Each hour later in weekday bedtime was associated with an additional 6.17 per cent overweight (95% confidence interval [CI]: 1.42\u201310.92). Each hour greater in day\u2010to\u2010day variability in weekday bedtime and weekday wake time was associated with an additional 10.20 (95% CI: 0.50\u201319.91) and 10.02 (95% CI: 1.55\u201318.50) per cent overweight, respectively. Associations were similar after controlling for other obesity\u2010related behaviours (television screen time, total caloric intake and physical activity.)<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Among children with obesity, later bedtime and greater variability in bedtime and wake time are associated with greater adiposity, independent of other obesity\u2010related behaviours. Early bedtime and wake time and consistent day\u2010to\u2010day sleep timing may be strategies to reduce adiposity in high\u2010risk children.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/osp4.303","type":"journal-article","created":{"date-parts":[[2018,10,3]],"date-time":"2018-10-03T02:32:05Z","timestamp":1538533925000},"page":"535-544","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Sleep duration, timing, variability and measures of adiposity among 8\u2010 to 12\u2010year\u2010old children with obesity"],"prefix":"10.1002","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5308-0014","authenticated-orcid":false,"given":"M.","family":"Zhou","sequence":"first","affiliation":[{"name":"Stanford University School of Medicine  Stanford CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Lalani","sequence":"additional","affiliation":[{"name":"Stanford University School of Medicine  Stanford CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. A.","family":"Banda","sequence":"additional","affiliation":[{"name":"Department of Health and Kinesiology Purdue University  West Lafayette IN USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T. N.","family":"Robinson","sequence":"additional","affiliation":[{"name":"Stanford Solutions Science Lab and Division of General Pediatrics, Department of Pediatrics and Stanford Prevention Research Center, Department of Medicine Stanford University  Stanford CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,10,18]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMcp043052"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.orcp.2012.12.001"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0007114509990730"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/ijo.2013.147"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/MED.0000000000000125"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1038\/ijo.2012.212"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.5665\/SLEEP.1266"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsr.12241"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/zsy018"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2013-1274"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0031-3955(05)70354-0"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1001\/archpediatrics.2010.197"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.ijo.0802802"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/obr.12637"},{"key":"e_1_2_9_16_1","volume-title":"CDC Growth Charts: United States. Advance Data from Vital and Health Statistics; no 314","author":"Kuczmarski RJOC","year":"2000"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2017-2148"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cct.2013.09.001"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1139\/apnm-2013-0173"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1249\/MSS.0000000000000486"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/17.3.201"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsr.12114"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2458-13-648"},{"key":"e_1_2_9_24_1","doi-asserted-by":"publisher","DOI":"10.1186\/1475-2840-7-17"},{"key":"e_1_2_9_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/0895-4356(94)90094-9"},{"key":"e_1_2_9_26_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199806043382302"},{"key":"e_1_2_9_27_1","doi-asserted-by":"publisher","DOI":"10.1123\/jpah.7.1.45"},{"key":"e_1_2_9_28_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2009-2107C"},{"key":"e_1_2_9_29_1","doi-asserted-by":"crossref","first-page":"738","DOI":"10.1016\/S0002-8223(21)00718-5","article-title":"Validation of two\u2010dimensional models for estimation of portion size in nutrition research","volume":"92","author":"Posner BM","year":"1992","journal-title":"J Am Diet Assoc"},{"key":"e_1_2_9_30_1","doi-asserted-by":"crossref","first-page":"412","DOI":"10.1016\/S0002-8223(21)01536-4","article-title":"Dietary assessment in children using electronic methods: telephones and tape recorders","volume":"90","author":"Van Horn LV","year":"1990","journal-title":"J Am Diet Assoc"},{"key":"e_1_2_9_31_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-8223(93)92241-O"},{"key":"e_1_2_9_32_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-8223(93)92247-U"},{"key":"e_1_2_9_33_1","doi-asserted-by":"publisher","DOI":"10.1249\/MSS.0b013e3181ed61a3"},{"key":"e_1_2_9_34_1","doi-asserted-by":"publisher","DOI":"10.1038\/oby.2002.24"},{"key":"e_1_2_9_35_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apnr.2013.02.001"},{"key":"e_1_2_9_36_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2010-0497"},{"key":"e_1_2_9_37_1","doi-asserted-by":"publisher","DOI":"10.2188\/jea.JE20090054"},{"key":"e_1_2_9_38_1","doi-asserted-by":"publisher","DOI":"10.1196\/annals.1308.032"},{"key":"e_1_2_9_39_1","doi-asserted-by":"publisher","DOI":"10.1038\/ijo.2010.118"},{"key":"e_1_2_9_40_1","doi-asserted-by":"publisher","DOI":"10.5665\/sleep.5226"},{"key":"e_1_2_9_41_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjms.2016.08.006"},{"key":"e_1_2_9_42_1","doi-asserted-by":"publisher","DOI":"10.1038\/oby.2007.118"}],"container-title":["Obesity Science &amp; Practice"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fosp4.303","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/osp4.303","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/osp4.303","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/osp4.303","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,8]],"date-time":"2023-09-08T07:30:48Z","timestamp":1694158248000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/osp4.303"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,10,18]]},"references-count":41,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2018,12]]}},"alternative-id":["10.1002\/osp4.303"],"URL":"https:\/\/doi.org\/10.1002\/osp4.303","archive":["Portico"],"relation":{},"ISSN":["2055-2238","2055-2238"],"issn-type":[{"value":"2055-2238","type":"print"},{"value":"2055-2238","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,10,18]]},"assertion":[{"value":"2018-09-14","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2018-09-25","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2018-10-18","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}