{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T17:56:32Z","timestamp":1792173392589,"version":"4.4.0"},"reference-count":50,"publisher":"Wiley","issue":"13","license":[{"start":{"date-parts":[[2022,8,8]],"date-time":"2022-08-08T00:00:00Z","timestamp":1659916800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2022,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To investigate the effect of an antenatal diet and exercise intervention during pregnancy on sleep duration. As a secondary objective, associations between sleep duration and gestational weight gain (GWG), maternal metabolic parameters and pregnancy outcomes were assessed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Secondary analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Large tertiary Maternity Hospital in Dublin, Ireland.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>326 women with overweight or obesity who participated in the Pregnancy Exercise And Nutrition Research Study (PEARS) randomised controlled trial between March 2013 and August 2016.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Secondary analysis of a randomised trial.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>Impact of the PEARS intervention on sleep duration, and association of sleep duration and maternal metabolic parameters, and pregnancy outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Participants had a mean age of 32.5\u2009\u00b1\u20094.5\u2009years and median (interquartile range [IQR]) body mass index of 28.3 (26.6\u201331.2) kg\/m<jats:sup>2<\/jats:sup>. The intervention group had a longer sleep duration in late pregnancy (mean difference 17.1\u2009minutes (95% confidence interval [CI] 0.5\u201333.7) and a higher proportion achieving optimum sleep duration of 7\u20139\u2009h (54.3 vs. 42.9%, relative risk [RR] 1.28 (95% CI 1.01\u20131.62). In late pregnancy, sleep duration of &lt;6\u2009h was associated with lower breastfeeding rates on discharge (RR 0.74, 95% CI 0.57\u20130.95) and higher triglyceride levels (mean difference 0.24, 95% CI 0.10\u20130.38). There were no significant associations between sleep and incidence of gestational diabetes mellitus or pre\u2010eclampsia\/toxaemia, or other metabolic parameters assessed (insulin, fasting glucose, HOMA\u2010IR).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A diet and exercise intervention from early pregnancy may promote longer and optimal sleep duration, with maternal benefits such as lower triglyceride levels and higher breastfeeding rates.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.17267","type":"journal-article","created":{"date-parts":[[2022,7,25]],"date-time":"2022-07-25T10:47:58Z","timestamp":1658746078000},"page":"2195-2202","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["An <scp>mHealth\u2010Supported<\/scp> antenatal lifestyle intervention may be associated with improved maternal sleep in pregnancy: Secondary analysis from the <scp>PEARS<\/scp> trial"],"prefix":"10.1111","volume":"129","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6470-9364","authenticated-orcid":false,"given":"Helena C.","family":"Bartels","sequence":"first","affiliation":[{"name":"UCD Perinatal Research Centre School of Medicine University College Dublin, National Maternity Hospital  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria A.","family":"Kennelly","sequence":"additional","affiliation":[{"name":"UCD Perinatal Research Centre School of Medicine University College Dublin, National Maternity Hospital  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah Louise","family":"Killeen","sequence":"additional","affiliation":[{"name":"UCD Perinatal Research Centre School of Medicine University College Dublin, National Maternity Hospital  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karen 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