{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T14:58:43Z","timestamp":1787065123028,"version":"build-2736575974"},"reference-count":59,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2025,6,25]],"date-time":"2025-06-25T00:00:00Z","timestamp":1750809600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,2,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Study Objectives<\/jats:title>\n                    <jats:p>We aimed to describe the characteristics of standard maintenance of wakefulness test (MWT), outside of clinical trials, in a sample of drug-na\u00efve patients with narcolepsy type 1 (NT1) and type 2 (NT2).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Consecutive drug-na\u00efve patients with narcolepsy underwent two days of continuous PSG recording, the multiple sleep latency test (MSLT), then night-PSG and, on the following day, MWT. MWT results were correlated with MSLT and Epworth sleepiness scale (ESS). Patients in the two lower tertiles of MWT mean sleep latency (mSL) were compared to those in the upper tertile.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Seventy-eight NT1 (30.6\u2009\u00b1\u200911.4\u00a0years, 35 males) and 19 NT2 (31.0\u2009\u00b1\u20099.9\u00a0years, 12 males) were included. MWT results showed a bimodal distribution with a large peak with reduced mSL and a small peak with values toward 40\u00a0min. MWT mSL was lower in NT1 than in NT2 (10.7\u2009\u00b1\u200910.8\u00a0min vs 23.9\u2009\u00b1\u200911.5\u00a0min, p\u00a0&amp;lt;\u2009.001). In the entire sample, lower MWT mSL was moderately correlated with lower MSLT mSL (Rho\u2009=\u20090.347, p\u00a0=\u2009.001) and higher ESS (Rho\u2009=\u2009\u22120.398, p\u00a0&amp;lt;\u2009.001). Patients with NT1 with MWT mSL in the two lower tertiles (\u226411.2\u00a0min) had higher ESS than those in the upper tertile, without any difference in other clinical or neurophysiological features. In NT2, no significant correlations emerged between MWT, MSLT, and ESS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>MWT mSL is reduced in drug-naive narcolepsy, more severely in NT1 than in NT2. However, a minority of patients show normal MWT results. MSLT, MWT, and ESS measure different aspects of sleepiness in narcolepsy, and none can be considered a comprehensive measure of its severity.<\/jats:p>\n                    <jats:p>Statement of Significance This observational study explored the characteristics of maintenance of wakefulness test (MWT) in 97 drug-na\u00efve patients with narcolepsy type 1 (NT1) and type 2 (NT2) at diagnosis. MWT mean sleep latency was lower in NT1 than in NT2. Unexpectedly, a minority of patients, both NT1 and NT2, managed to resist &amp;gt;30\u00a0min (n\u2009=\u200915) and up to 40\u00a0min (n\u2009=\u20098). MWT results showed moderate correlation with Epworth sleepiness scale and with multiple sleep latency test results, with no correlations with other clinical and neurophysiological markers. These findings define the performance of patients with drug-na\u00efve narcolepsy on MWT and highlight the heterogeneity of NT1 and NT2 in terms of sleepiness assessed with different tools.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/sleep\/zsaf165","type":"journal-article","created":{"date-parts":[[2025,6,24]],"date-time":"2025-06-24T07:37:36Z","timestamp":1750750656000},"source":"Crossref","is-referenced-by-count":3,"title":["Characteristics of maintenance of wakefulness test in drug-na\u00efve patients with narcolepsy type 1 and type 2, and relationship with other measures of sleepiness"],"prefix":"10.1093","volume":"49","author":[{"given":"Francesco","family":"Biscarini","sequence":"first","affiliation":[{"name":"Department of Biomedical and Neuromotor Sciences, University of Bologna , Bologna ,","place":["Italy"]},{"name":"UOC Clinica Neurologica, IRCCS Istituto delle Scienze Neurologiche di Bologna , Bologna 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