{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T05:56:55Z","timestamp":1792303015528,"version":"4.4.0"},"reference-count":12,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2017,7,10]],"date-time":"2017-07-10T00:00:00Z","timestamp":1499644800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Cephalalgia"],"published-print":{"date-parts":[[2018,4]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>A relationship between headache and excessive daytime sleepiness (EDS) has been suggested. This study investigated this association in relation to people with chronic migraine or chronic tension-type headaches.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 30,000 persons aged 30\u201344 from the general population were screened for chronic headache. Those eligible were interviewed by a headache specialist. EDS was defined as Epworth sleepiness scale score &gt;10. Logistic regression models were used.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Among the 323 eligible participants, 21.1% had EDS. In multivariable logistic regression analysis, the odds ratios (OR) of EDS were not significantly different in people with CM and CTTH. However, high headache frequency was associated with EDS (OR 2.03 (95% CI 1.11\u20133.73, p\u2009=\u20090.022)) for those with\u2009\u2265\u200980 compared to\u2009&lt;\u200980 headache days\/3 months, after adjustment for type of headache, age, and gender.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Increased EDS was associated with higher headache frequency, but not with specific headache diagnoses.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0333102417721133","type":"journal-article","created":{"date-parts":[[2017,11,17]],"date-time":"2017-11-17T06:57:59Z","timestamp":1510901879000},"page":"993-997","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":16,"title":["Excessive daytime sleepiness in chronic migraine and chronic tension-type headache from the general population"],"prefix":"10.1177","volume":"38","author":[{"given":"Espen Saxhaug","family":"Kristoffersen","sequence":"first","affiliation":[{"name":"Head and Neck Research Group, Research Centre, Akershus University Hospital, L\u00f8renskog, Norway"},{"name":"Department of General Practice, Institute of Health and Society, University of Oslo, Oslo, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Knut","family":"Stavem","sequence":"additional","affiliation":[{"name":"Institute of Clinical Medicine, Campus Akershus University Hospital, University of Oslo, Nordbyhagen, Norway"},{"name":"Department of Pulmonary Medicine, Medical Division, Akershus University Hospital, L\u00f8renskog, Norway"},{"name":"H\u00d8KH, Research Centre, Akershus University Hospital, L\u00f8renskog, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christofer","family":"Lundqvist","sequence":"additional","affiliation":[{"name":"Institute of Clinical Medicine, Campus Akershus University Hospital, University of Oslo, Nordbyhagen, Norway"},{"name":"H\u00d8KH, Research Centre, Akershus University Hospital, L\u00f8renskog, Norway"},{"name":"Department of Neurology, Akershus University Hospital, L\u00f8renskog, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael Bj\u00f8rn","family":"Russell","sequence":"additional","affiliation":[{"name":"Head and Neck Research Group, Research Centre, Akershus University Hospital, L\u00f8renskog, Norway"},{"name":"Institute of Clinical Medicine, Campus Akershus University Hospital, University of Oslo, Nordbyhagen, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2017,7,10]]},"reference":[{"key":"bibr1-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.2005.062497"},{"key":"bibr2-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1016\/j.sleep.2012.10.022"},{"key":"bibr3-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-2982.2008.01784.x"},{"key":"bibr4-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1007\/s10194-010-0201-8"},{"key":"bibr5-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1186\/s10194-016-0655-4"},{"key":"bibr6-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1186\/s10194-017-0743-0"},{"key":"bibr7-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1159\/000116244"},{"key":"bibr8-0333102417721133","doi-asserted-by":"crossref","unstructured":"Headache Classification Committee of the International Headache Society. The International Classification of Headache Disorders, 3rd edition (beta version).\n                      Cephalalgia\n                      2013; 33: 629\u2013808.","DOI":"10.1177\/0333102413485658"},{"key":"bibr9-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/14.6.540"},{"key":"bibr10-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/30.5.619"},{"key":"bibr11-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1111\/j.1526-4610.1991.hed3105290.x"},{"key":"bibr12-0333102417721133","doi-asserted-by":"publisher","DOI":"10.1161\/STROKEAHA.108.530824"}],"container-title":["Cephalalgia"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0333102417721133","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/0333102417721133","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0333102417721133","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T14:47:33Z","timestamp":1777387653000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/0333102417721133"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,7,10]]},"references-count":12,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2018,4]]}},"alternative-id":["10.1177\/0333102417721133"],"URL":"https:\/\/doi.org\/10.1177\/0333102417721133","relation":{},"ISSN":["0333-1024","1468-2982"],"issn-type":[{"value":"0333-1024","type":"print"},{"value":"1468-2982","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,7,10]]}}}