{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T19:00:16Z","timestamp":1790622016374,"version":"4.1.0"},"reference-count":53,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,5,31]],"date-time":"2026-05-31T00:00:00Z","timestamp":1780185600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,5,31]],"date-time":"2026-05-31T00:00:00Z","timestamp":1780185600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Sleep inertia impairs performance upon awakening and may be assessed using the psychomotor vigilance task (PVT). This study aimed to determine optimal PVT lapse cut\u2010offs at awakening to objectively measure sleep inertia by comparing patients with idiopathic hypersomnia (IH) and severe sleep inertia to patients with other sleep disorders (OSD) without sleep inertia, to assess the discriminative performance of these thresholds in OSD patients with sleep inertia; and to explore factors associated with PVT lapses. 350 drug\u2010free consecutive patients (227 females, 30.7\u2009\u00b1\u200911.0 y.o.) were included: 131 IH and 219 OSD (75 non\u2010specified hypersomnolence, 54 narcolepsy, 50 obstructive sleep apnea, 40 others). All patients performed two 5\u2010min PVTs at 07:00\u2009pm and 07:00\u2009am upon awakening. Sleep inertia was self\u2010reported with the Idiopathic Hypersomnia Severity Scale. Receiver operating characteristic analyses were used to determine optimal cut\u2010offs for 7:00\u2009am PVT lapses and the change between 07:00\u2009am and 07:00\u2009pm in IH patients with severe sleep inertia (\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u200973) and OSD patients without sleep inertia (\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u200984). Optimal PVT cut\u2010offs were \u2265\u20094 for 7\u2009am\u2010Lapses (sensitivity 72.6%, specificity 69.1%) and \u2265\u20094 for Delta 7\u2009am\u20107\u2009pm\u2010Lapses (sensitivity 50.9%, specificity 83.3%). Across all 350 participants, 56.9% exhibited 7\u2009am\u2010Lapses \u2265\u20094, while 39.7% had Delta 7\u2009am\u20107\u2009pm Lapses \u2265\u20094. In conclusion, a threshold of \u2265\u20094 PVT lapses at 07:00\u2009am, along with an increase of \u2265\u20094 lapses from 07:00\u2009pm to 07:00\u2009am best capture sleep inertia\u2013related performance impairment in IH, supporting their use as objective markers in clinical practice and research settings.\n                  <\/jats:p>","DOI":"10.1111\/jsr.70377","type":"journal-article","created":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T05:27:15Z","timestamp":1780291635000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Diagnostic Value of Psychomotor Vigilance Task for Severe Sleep Inertia in Idiopathic Hypersomnia Versus Other Sleep Disorders Without Sleep Inertia"],"prefix":"10.1111","volume":"35","author":[{"given":"Elisa","family":"Evangelista","sequence":"first","affiliation":[{"name":"Sleep Unit, CHU N\u00eemes  N\u00eemes France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandre","family":"Derr\u00e9","sequence":"additional","affiliation":[{"name":"National Reference Centre for Orphan Diseases Narcolepsy Rare Hypersomnias, Sleep Unit, Department of Neurology, CHU Montpellier  Montpellier France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucie","family":"Barateau","sequence":"additional","affiliation":[{"name":"National Reference Centre for Orphan Diseases Narcolepsy Rare Hypersomnias, Sleep Unit, Department of Neurology, CHU Montpellier  Montpellier France"},{"name":"Institute for Neurosciences of Montpellier INM, Univ Montpellier, INSERM  Montpellier France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna Laura","family":"Rassu","sequence":"additional","affiliation":[{"name":"Sleep Unit, CHU N\u00eemes  N\u00eemes 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