{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T17:22:19Z","timestamp":1791134539105,"version":"4.1.0"},"reference-count":33,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2011,8,9]],"date-time":"2011-08-09T00:00:00Z","timestamp":1312848000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2012,4]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>We compared periodic and non\u2010periodic leg movements during sleep and polysomnography in patients with narcolepsy with cataplexy (NC) with or without restless legs syndrome (RLS) with matched idiopathic RLS (iRLS) and control subjects. We enrolled 100 patients with NC: 17 having RLS were compared with 34 sex\u2010 and age\u2010matched patients without RLS and with 17 normal controls and 17 iRLS subjects. Periodic leg movements were highest in iRLS and lowest in controls, with those in NC with RLS very close to iRLS, but higher than those in NC without RLS. The periodicity indexes showed the highest value in iRLS followed by NC with or without RLS and, finally, by controls. The inter\u2010leg movement intervals peaked between 10 and 50\u2003s in NC with RLS and in iRLS, the former did not display the nocturnal gradual decrease of periodic leg movements typical of iRLS. Periodic leg movements during sleep and polysomnography displayed specific features in RLS and NC, respectively, with NC with RLS showing an intermediate pattern. Even if RLS is only detected by targeted interview in NC, its frequency and impact on night\u2010time sleep architecture and continuity suggest that this condition should be routinely searched for in NC.<\/jats:p>","DOI":"10.1111\/j.1365-2869.2011.00942.x","type":"journal-article","created":{"date-parts":[[2011,8,10]],"date-time":"2011-08-10T01:28:43Z","timestamp":1312939723000},"page":"155-162","source":"Crossref","is-referenced-by-count":42,"title":["Periodic leg movements during sleep in narcoleptic patients with or without restless legs syndrome"],"prefix":"10.1111","volume":"21","author":[{"given":"GIUSEPPE","family":"PLAZZI","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"RAFFAELE","family":"FERRI","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"CHRISTIAN","family":"FRANCESCHINI","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"STEFANO","family":"VANDI","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"STEFANIA","family":"DETTO","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"FABIO","family":"PIZZA","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"FRANCESCA","family":"POLI","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"VAL\u00c9RIE C.","family":"DE COCK","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"SOPHIE","family":"BAYARD","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"YVES","family":"DAUVILLIERS","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2011,8,9]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1389-9457(03)00010-8"},{"key":"e_1_2_7_3_1","volume-title":"International Classification of Sleep Disorders: Diagnostic and Coding Manual","author":"American Academy of Sleep Medicine","year":"2005"},{"key":"e_1_2_7_4_1","first-page":"195","article-title":"A two process model of sleep regulation","volume":"1","author":"Borbely A. 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