{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T15:34:38Z","timestamp":1790868878822,"version":"4.1.0"},"reference-count":40,"publisher":"Oxford University Press (OUP)","issue":"10","license":[{"start":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T00:00:00Z","timestamp":1758326400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000054","name":"National Cancer Institute","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000054","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,10,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Breast cancer (BC) survivors frequently experience sleep disturbances, which may persist for many years after treatment. This study aimed to describe trends in sleep-related symptoms over time and identify factors that may be associated with sleep disturbances in BC survivors.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Patients and Methods<\/jats:title>\n                  <jats:p>Adult patients from the Mayo Clinic Breast Disease Registry were surveyed annually for up to 7 years post-diagnosis. Sleep disturbance severity was assessed using numeric rating scales for difficulty falling and staying asleep. Data from 3354 unique patients were analyzed, excluding those with metastatic disease or recurrence. Univariable and multivariable analyses were performed at the 1-year survey timepoint to evaluate disease and patient-related factors that were associated with increased sleep-related symptoms, and these factors were also assessed in relationship to sleep-related symptoms over time.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>In multivariable analyses, more trouble falling asleep was associated with financial insecurity, higher clinical stage, more cigarettes smoked per day, and less weekly exercise. More trouble staying asleep was associated with older age, race, advanced education, financial insecurity, and higher clinical stage. Over time, there was a nonsignificant trend toward increased trouble falling asleep and fluctuations in trouble staying asleep. Higher clinical stage and receipt of radiotherapy were associated with decreased severity in trouble falling asleep over time, while more cigarettes smoked per day was linked to increased severity in trouble staying asleep.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>These findings highlight the complex interplay of clinical, lifestyle, and demographic factors in sleep disturbances among BC survivors, underscoring the need for tailored sleep management strategies.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/oncolo\/oyaf297","type":"journal-article","created":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T07:23:17Z","timestamp":1758352997000},"source":"Crossref","is-referenced-by-count":5,"title":["Factors associated with sleep disturbance in breast cancer survivors over time"],"prefix":"10.1093","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4225-3922","authenticated-orcid":false,"given":"Paulina S","family":"Marell","sequence":"first","affiliation":[{"name":"Department of Medicine, Mayo Clinic , Rochester, MN, 55905,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6242-5221","authenticated-orcid":false,"given":"Robert A","family":"Vierkant","sequence":"additional","affiliation":[{"name":"Department of Quantitative Health Sciences, Mayo Clinic , Rochester, MN, 55905,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicole L","family":"Larson","sequence":"additional","affiliation":[{"name":"Department of Quantitative Health Sciences, Mayo Clinic , Rochester, MN, 55905,","place":["United 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