{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T03:44:21Z","timestamp":1790048661282,"version":"4.0.1"},"reference-count":50,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2024,6,26]],"date-time":"2024-06-26T00:00:00Z","timestamp":1719360000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000968","name":"American Heart Association","doi-asserted-by":"publisher","award":["831488"],"award-info":[{"award-number":["831488"]}],"id":[{"id":"10.13039\/100000968","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Clinical Hypertension"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Short, disturbed, and irregular sleep may contribute to blunted nocturnal blood pressure (BP) dipping, a predictor of cardiovascular disease. Black women (BLW) demonstrate less BP dipping and poorer sleep health than White women (WHW). However, it remains unclear whether device\u2010estimated sleep health metrics mediate the relation between race and BP dipping in young women. We hypothesized that the relation between race and BP dipping would be partly mediated by sleep health metrics of sleep duration, sleep efficiency, and sleep regularity. Participants (20 BLW, 17 WHW) were 18\u201329 years old, normotensive, nonobese, and without evidence of sleep disorders. Systolic and diastolic BP dipping were derived from 24\u2010h ambulatory BP monitoring. Habitual sleep duration and sleep efficiency were estimated via 14 days of wrist actigraphy. Sleep duration regularity was calculated as the standard deviation (SD) of nightly sleep duration (SDSD). Sleep timing regularity metrics were calculated as the SD of sleep onset and sleep midpoint (SMSD). Mediation analysis tested the mediating effect of each sleep metric on the relation between race and BP dipping. BLW experienced less systolic (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.02) and diastolic (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.01) BP dipping. Sleep duration (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.14) was not different between groups. BLW had lower sleep efficiency (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a0.01) and higher SDSD (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.02), sleep onset SD (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a0.01) and SMSD (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.01). No sleep metrics mediated the relation between race and BP dipping (all indirect effects <jats:italic>P<\/jats:italic>\u00a0&gt;\u00a0.38). In conclusion, mediation pathways of sleep health metrics do not explain racial differences in nocturnal BP dipping between young BLW and WHW.<\/jats:p>","DOI":"10.1111\/jch.14856","type":"journal-article","created":{"date-parts":[[2024,6,26]],"date-time":"2024-06-26T12:26:02Z","timestamp":1719404762000},"page":"850-860","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Device\u2010estimated sleep metrics do not mediate the relation between race and blood pressure dipping in young black and white women"],"prefix":"10.1111","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6166-9627","authenticated-orcid":false,"given":"Michele N.","family":"D'agata","sequence":"first","affiliation":[{"name":"Department of Kinesiology and Applied Physiology College of Health Sciences University of Delaware  Newark Delaware USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elissa 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