{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T16:31:49Z","timestamp":1772987509861,"version":"3.50.1"},"reference-count":42,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T00:00:00Z","timestamp":1768953600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T00:00:00Z","timestamp":1768953600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Obesity"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This cross\u2010sectional study examined associations between sleep, body weight, body composition, appetite, and food reward after bariatric surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      A single 7\u2010day study period in 22 female adults (age, 53.5\u2009\u00b1\u20099.3\u2009years; BMI, 35.5\u2009\u00b1\u20098.5\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ; body fat: 44.9%\u2009\u00b1\u20098.6%) who underwent bariatric surgery \u2265\u20091\u2009year prior to enrollment assessed: actigraphy\u2010measured sleep (duration, efficiency, midpoint, and variability [coefficient of variation]) and activity energy expenditure (AEE); sleep architecture and apnea\u2010hypopnea index (AHI) via in\u2010home polysomnography; energy intake via food diaries; resting EE via indirect calorimetry; fasting appetite via visual analog scales; and food reward via Leeds Food Preference Questionnaire.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Weight regain was 10.6% relative to nadir postsurgery weight. Rapid eye movement (REM) sleep duration was associated with lower body fat percentage (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u2009\u22120.52,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.02). Participants with AHI \u2265\u20095 had a greater waist to hip ratio compared to those with AHI &lt;\u20095 (mean difference\u2009=\u20090.09,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.01). Sleep timing and duration variability was associated with fasting prospective food consumption (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.44,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.05 and\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.47,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.03, respectively). Greater sleep duration was associated with lower AEE (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u2009\u22120.62,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) and explicit liking for sweet foods (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.45,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.04).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Our exploratory results underscore the need to evaluate whether sleep behaviors, including total and REM sleep duration, AHI, and sleep regularity, predict long\u2010term weight loss maintenance after bariatric surgery.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/oby.70124","type":"journal-article","created":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T02:05:57Z","timestamp":1769047557000},"page":"662-673","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Exploring Sleep, Energy Balance, and Weight Loss Maintenance After Bariatric Surgery in Adult Females: A Cross\u2010Sectional Study"],"prefix":"10.1002","volume":"34","author":[{"given":"Hannah R.","family":"Koch","sequence":"first","affiliation":[{"name":"Department of Kinesiology, School of Health and Human Sciences University of North Carolina at Greensboro  Greensboro North Carolina USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Derek C.","family":"Monroe","sequence":"additional","affiliation":[{"name":"Department of Exercise &amp; Sport Science, College of Arts and Sciences University of North Carolina at Chapel Hill  Chapel Hill North Carolina 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USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1078-5812","authenticated-orcid":false,"given":"Jessica","family":"McNeil","sequence":"additional","affiliation":[{"name":"Department of Kinesiology, School of Health and Human Sciences University of North Carolina at Greensboro  Greensboro North Carolina 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