{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T17:16:37Z","timestamp":1790702197579,"version":"4.1.0"},"reference-count":47,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2023,2,14]],"date-time":"2023-02-14T00:00:00Z","timestamp":1676332800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Cephalalgia"],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Migraine is a brain disorder with a multifaceted and unexplained association to sleep. Brain excitability likely changes periodically throughout the migraine cycle. In this study we examine the effect of insufficient sleep on neuronal excitability during the course of the migraine cycle.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We examined 54 migraine patients after two nights of eight-hour habitual sleep and two nights of four-hour restricted sleep in a randomised, blinded crossover study. We performed transcranial magnetic stimulation and measured cortical silent period, short- and long-interval intracortical inhibition, intracortical facilitation and short-latency afferent inhibition. We analysed how responses changed before and after attacks with linear mixed models.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Short- interval intracortical inhibition was more reduced after sleep restriction compared to habitual sleep the shorter the time that had elapsed since the attack ( p\u2009=\u20090.041), and specifically in the postictal phase ( p\u2009=\u20090.013). Long-interval intracortical inhibition was more increased after sleep restriction with time closer before the attack ( p\u2009=\u20090.006), and specifically in the preictal phase ( p\u2009=\u20090.034). Short-latency afferent inhibition was more decreased after sleep restriction with time closer to the start of the attack ( p\u2009=\u20090.026).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Insufficient sleep in the period leading up to a migraine attack may cause dysfunction in cortical GABAergic inhibition. The results also suggest that migraine patients may have increased need for sufficient sleep during a migraine attack to maintain normal neurological function after the attack.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03331024221148391","type":"journal-article","created":{"date-parts":[[2023,2,14]],"date-time":"2023-02-14T05:45:45Z","timestamp":1676353545000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":13,"title":["Insufficient sleep may alter cortical excitability near the migraine attack: A blinded TMS crossover study"],"prefix":"10.1177","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1696-8123","authenticated-orcid":false,"given":"Martin Syvertsen","family":"Mykland","sequence":"first","affiliation":[{"name":"Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway"},{"name":"Norwegian Headache Research Centre (NorHEAD), Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8584-1030","authenticated-orcid":false,"given":"Martin","family":"Uglem","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway"},{"name":"Norwegian Headache Research Centre (NorHEAD), Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lars Jacob","family":"Stovner","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Norwegian Headache Research Centre (NorHEAD), Trondheim, Norway"},{"name":"National Advisory Unit on Headaches, Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eiliv","family":"Brenner","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway"},{"name":"Norwegian Headache Research Centre (NorHEAD), Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mari Storli","family":"Snoen","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7507-2082","authenticated-orcid":false,"given":"G\u00f8ril Bruvik","family":"Gravdahl","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Norwegian Headache Research Centre (NorHEAD), Trondheim, Norway"},{"name":"National Advisory Unit on Headaches, Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Trond","family":"Sand","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway"},{"name":"Norwegian Headache Research Centre (NorHEAD), Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Petter Moe","family":"Omland","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway"},{"name":"Norwegian Headache Research Centre (NorHEAD), Trondheim, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,2,14]]},"reference":[{"key":"bibr1-03331024221148391","volume-title":"On Megrim, Sick-Headache, And Some Allied Disorders: A Contribution to the Pathology of Nerve-Storms","author":"Liveing 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