{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T01:52:49Z","timestamp":1787795569058,"version":"build-2784847793"},"reference-count":9,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2019,2,27]],"date-time":"2019-02-27T00:00:00Z","timestamp":1551225600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2019,10]]},"abstract":"Abstract<\/jats:title>Neck myoclonus (NM<\/jats:styled-content>) is a frequent recently described sleep\u2010related motor phenomenon occurring mainly during REM<\/jats:styled-content> sleep with uncertain effect on sleep continuity. To better describe this phenomenon we studied 11 consecutive drug\u2010free patients undergoing a video\u2010polysomnographic (V\u2010PSG<\/jats:styled-content>) study who present at least 5 NM<\/jats:styled-content> events in one single night of recording. All events were measured and checked for their association with rapid eye and leg movements, EEG<\/jats:styled-content> arousals, awakenings and Bereitschaftspotential. One hundred and eighty\u2010two motor events from 11 subjects were analyzed. Motor events were approximately 0.5\u00a0s in duration and occurred during REM<\/jats:styled-content> sleep in 79.7% of the cases. Only 14.8% of the events were associated with rapid eye movements, 52.2% with leg movements, while approximately 80% of them were accompanied by an arousal or awakening. No EEG<\/jats:styled-content> abnormalities and Bereitschaftspotential were observed. For its duration and its segregation in sleep, NM<\/jats:styled-content> could be more appropriately named \u201csleep\u2010related head jerks\u201d (SRHJ<\/jats:styled-content>). SRHJ<\/jats:styled-content> should be recognized and its effect on sleep stability should be re\u2010considered.<\/jats:p>","DOI":"10.1111\/jsr.12831","type":"journal-article","created":{"date-parts":[[2019,2,28]],"date-time":"2019-02-28T03:43:08Z","timestamp":1551325388000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["From physiological neck myoclonus to sleep related head jerk"],"prefix":"10.1111","volume":"28","author":[{"given":"Beat","family":"Wolfensberger","sequence":"first","affiliation":[{"name":"Department of Neurology University Hospital Inselspital Bern Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6937-3065","authenticated-orcid":false,"given":"Raffaele","family":"Ferri","sequence":"additional","affiliation":[{"name":"Sleep Research Centre Oasi Research Institute-IRCCS Troina Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giovanni","family":"Bianco","sequence":"additional","affiliation":[{"name":"Sleep and Epilepsy Center Neurocenter of the Southern Switzerland Civic Hospital of Lugano Lugano Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manuel","family":"Abbafati","sequence":"additional","affiliation":[{"name":"Sleep and Epilepsy Center Neurocenter of the Southern Switzerland Civic Hospital of Lugano Lugano Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Silvia","family":"Miano","sequence":"additional","affiliation":[{"name":"Sleep and Epilepsy Center Neurocenter of the Southern Switzerland Civic Hospital of Lugano Lugano Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alain","family":"Kaelin\u2010Lang","sequence":"additional","affiliation":[{"name":"Department of Neurology University Hospital Inselspital Bern Switzerland"},{"name":"Faculty of Biomedical Sciences Universit\u00e0 della Svizzera Italiana Lugano Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudio L.","family":"Bassetti","sequence":"additional","affiliation":[{"name":"Department of Neurology University Hospital Inselspital Bern Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1849-7196","authenticated-orcid":false,"given":"Mauro","family":"Manconi","sequence":"additional","affiliation":[{"name":"Department of Neurology University Hospital Inselspital Bern Switzerland"},{"name":"Sleep and Epilepsy Center Neurocenter of the Southern Switzerland Civic Hospital of Lugano Lugano Switzerland"},{"name":"Faculty of Biomedical Sciences Universit\u00e0 della Svizzera Italiana Lugano Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,2,27]]},"reference":[{"key":"e_1_2_7_2_1","volume-title":"International classification of sleep disorders","author":"American Academy of Sleep Medicine","year":"2014"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.smrv.2015.12.002"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/33.8.1091"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.5665\/sleep.3586"},{"key":"e_1_2_7_6_1","volume-title":"The AASM manual for the scoring of sleep and associated events: Rules, terminology, and technical specifications","author":"Iber C.","year":"2007"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/28.4.499"},{"key":"e_1_2_7_8_1","first-page":"196","volume-title":"Movement disorders","author":"Marsden C. 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