{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T22:18:50Z","timestamp":1773872330634,"version":"3.50.1"},"reference-count":25,"publisher":"BMJ","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Epidemiol Community Health"],"accepted":{"date-parts":[[2011,9,27]]},"published-print":{"date-parts":[[2012,10]]},"abstract":"<jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Epidemiological and experimental evidence suggests that inadequate sleep can cause both obesity and impaired glucose tolerance. Short sleep duration in childhood appears to have a greater impact on the risk for adult obesity than adult sleep duration. The long-term effects of childhood sleep on glucose metabolism have not been investigated. The authors assessed the associations between childhood and adult sleep duration and adult glycosylated haemoglobin (HbA<jats:sub>1c<\/jats:sub>) levels.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>An unselected cohort of 1037 individuals, born in Dunedin, New Zealand, between 1972 and 1973. Parent reports of times in bed at ages 5, 7, 9 and 11 were used to estimate childhood sleep duration. Adult sleep duration was estimated from self-reported times in bed at age 32. HbA<jats:sub>1c<\/jats:sub> levels were measured at age 32. Pregnant women and participants with diabetes were excluded from the analyses.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Childhood sleep duration did not predict adult HbA<jats:sub>1c<\/jats:sub>. However, less time spent in bed at age 32 was associated with higher levels of HbA<jats:sub>1c<\/jats:sub> (p=0.002) and an increased risk of prediabetes (p=0.015). The inverse association between adult sleep times and HbA<jats:sub>1c<\/jats:sub> was independent of body mass index, smoking, socioeconomic status, shift work and symptoms of obstructive sleep apnoea.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Short sleep duration is associated with higher levels of HbA<jats:sub>1c<\/jats:sub> and an increased risk of prediabetes in young adults. The findings suggest that inadequate sleep impairs glucose control in the short term and may increase the risk for long-term health problems.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/jech-2011-200217","type":"journal-article","created":{"date-parts":[[2011,11,9]],"date-time":"2011-11-09T02:20:41Z","timestamp":1320805241000},"page":"957-961","source":"Crossref","is-referenced-by-count":18,"title":["Association between sleep duration and haemoglobin A<sub>1c<\/sub> in young adults"],"prefix":"10.1136","volume":"66","author":[{"given":"Robert J","family":"Hancox","sequence":"first","affiliation":[{"name":"1Department of Preventive & Social Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C Erik","family":"Landhuis","sequence":"additional","affiliation":[{"name":"2Department of Social Sciences, Faculty of Applied Humanities, AUT University, Auckland, New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2011,11,7]]},"reference":[{"key":"2025100301570328000_66.10.957.1","doi-asserted-by":"publisher","DOI":"10.1053\/smrv.2000.0138"},{"key":"2025100301570328000_66.10.957.2","doi-asserted-by":"publisher","DOI":"10.1038\/nrendo.2009.23"},{"key":"2025100301570328000_66.10.957.3","doi-asserted-by":"crossref","first-page":"619","DOI":"10.1093\/sleep\/31.5.619","article-title":"Meta-analysis of short sleep duration and obesity in children and adults","volume":"31","author":"Cappuccio","year":"2008","journal-title":"Sleep"},{"key":"2025100301570328000_66.10.957.4","doi-asserted-by":"crossref","first-page":"635","DOI":"10.1093\/sleep\/31.5.635","article-title":"Self-reported sleep duration is associated with the metabolic syndrome in midlife 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