{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T09:10:33Z","timestamp":1791537033283,"version":"4.3.4"},"reference-count":33,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2004,4,1]],"date-time":"2004-04-01T00:00:00Z","timestamp":1080777600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biological Research For Nursing"],"published-print":{"date-parts":[[2004,4]]},"abstract":"<jats:p>The purpose of this study was to describe the sleep patterns and fatigue of both mothers and fathers before and after childbirth. The authors used wrist actigraphy and questionnaires to estimate sleep and fatigue in 72 couples during their last month of pregnancy and 1st month postpartum. Both parents experienced more sleep disruption at night during the postpartum period as compared to the last month of pregnancy. Compared to fathers, with their stable 24-h sleep patterns over time, mothers had less sleep at night and more sleep during the day after the baby was born. Sleep patterns were also related to parents\u2019work status and type of infant feeding. Both parents self-reported more sleep disturbance and fatigue during the 1st month postpartum than during pregnancy. Mothers reported more sleep disturbance than fathers, but there was no gender difference in ratings of fatigue. At both time points, fathers obtained less total sleep than mothers when sleep was objectively measured throughout the entire 24-h day. Further research is needed to determine the duration of sleep loss for both mothers and fathers, to evaluate the effect of disrupted sleep and sleep loss on psychosocial functioning and job performance, and to develop interventions for improving sleep patterns of new parents.<\/jats:p>","DOI":"10.1177\/1099800403262142","type":"journal-article","created":{"date-parts":[[2004,5,27]],"date-time":"2004-05-27T10:36:42Z","timestamp":1085654202000},"page":"311-318","source":"Crossref","is-referenced-by-count":340,"title":["Sleep Patterns and Fatigue in New Mothers and Fathers"],"prefix":"10.1177","volume":"5","author":[{"given":"Caryl L.","family":"Gay","sequence":"first","affiliation":[{"name":"University of California, San Francisco, Department of Family Health Care Nursing,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathryn A.","family":"Lee","sequence":"additional","affiliation":[{"name":"University of California, San Francisco, Department of Family Health Care Nursing"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shih-Yu","family":"Lee","sequence":"additional","affiliation":[{"name":"University of California, San Francisco, Department of Family Health Care Nursing"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2004,4,1]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/26.3.342"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1016\/S0266-6138(86)80045-6"},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.1177\/105477389600500106"},{"key":"atypb4","unstructured":"Chen CH. 2001. 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