{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T05:40:39Z","timestamp":1788414039755,"version":"build-2803163510"},"reference-count":58,"publisher":"Oxford University Press (OUP)","issue":"6","funder":[{"DOI":"10.13039\/100009886","name":"American Academy of Sleep Medicine","doi-asserted-by":"publisher","award":["198-FP-18"],"award-info":[{"award-number":["198-FP-18"]}],"id":[{"id":"10.13039\/100009886","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["K23-HL13866"],"award-info":[{"award-number":["K23-HL13866"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,6,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Study Objectives<\/jats:title>\n                  <jats:p>Depression is among the most prevalent perinatal complications, yet modifiable risk factors remain elusive. Over half of perinatal women endorse clinical insomnia symptoms, which are etiologically implicated in depression in nonperinatal samples. Yet, prospective data on perinatal insomnia and depression are mixed. We sought to clarify temporal associations of insomnia and depression during peripartum, and to investigate cognitive arousal as a potential mechanism facilitating this relationship.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>Seventy pregnant women completed sociodemographic information and baseline sleep and mood symptoms between gestational weeks 25 and 30. Beginning at gestational week 30, participants completed 17 weekly online surveys assessing insomnia, depression, and three cognitive arousal indices (nocturnal cognitive arousal, perseverative thinking, and perinatal-focused rumination). Mixed effects models were conducted to test hypotheses.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Women were at risk for depression when experiencing insomnia (odds ratio [OR] = 2.36, 95% confidence interval [CI] = 1.28 to 4.35), nocturnal cognitive arousal (OR = 3.05, 95% CI = 1.60 to 5.79), perinatal-focused rumination (OR = 2.05, 95% CI = 1.11 to 3.79), and perseverative thinking (OR = 7.48, 95% CI = 3.90 to 14.32). Prospective analyses revealed bidirectional effects between insomnia and cognitive arousal, and both predicted future depression. Nocturnal cognitive arousal mediated 23\u201343% of the effect of insomnia on depression. Insomnia mediated 12%\u201318% of the effect of nocturnal cognitive arousal on depression. A similar pattern was observed with perinatal-focused rumination. Depression did not predict insomnia.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>Nocturnal cognitive arousal, including ruminating on perinatal concerns while trying to fall asleep, fuels insomnia. In turn, lying awake at night provides an opportunity for nocturnal cognitive arousal. This cycle feeds perinatal depression. Daytime cognitive arousal may indirectly disrupt sleep as perseverating during the day persists into the night.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/sleep\/zsab028","type":"journal-article","created":{"date-parts":[[2021,4,8]],"date-time":"2021-04-08T13:29:10Z","timestamp":1617888550000},"source":"Crossref","is-referenced-by-count":39,"title":["A pathogenic cycle between insomnia and cognitive arousal fuels perinatal depression: exploring the roles of nocturnal cognitive arousal and perinatal-focused rumination"],"prefix":"10.1093","volume":"44","author":[{"given":"David A","family":"Kalmbach","sequence":"first","affiliation":[{"name":"Thomas Roth Sleep Disorders & Research Center, Henry Ford Health System, Detroit, MI, USA"},{"name":"Pulmonary & Critical Care and Sleep Medicine, Wayne State University School of Medicine, Detroit, MI, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2874-658X","authenticated-orcid":false,"given":"Philip","family":"Cheng","sequence":"additional","affiliation":[{"name":"Thomas Roth Sleep Disorders & Research Center, Henry Ford Health System, Detroit, MI, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5486-3587","authenticated-orcid":false,"given":"Christopher L","family":"Drake","sequence":"additional","affiliation":[{"name":"Thomas Roth Sleep Disorders & Research Center, Henry Ford Health System, Detroit, MI, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2021,4,8]]},"reference":[{"issue":"4","key":"2021070822551873300_CIT0001","doi-asserted-by":"crossref","first-page":"343","DOI":"10.1016\/j.comppsych.2010.08.003","article-title":"From the third month of pregnancy to 1 year postpartum. 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