{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T15:01:45Z","timestamp":1786114905748,"version":"build-2736575974"},"reference-count":40,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2024,11,1]],"date-time":"2024-11-01T00:00:00Z","timestamp":1730419200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,11,1]],"date-time":"2024-11-01T00:00:00Z","timestamp":1730419200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["physoc.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Experimental Physiology"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Athletes frequently compete only a few days after long\u2010haul travel. Longitudinal real\u2010world data on athletes\u2019 sleep and sleep\u2013wake cycle in competitive settings remain scarce. This study assessed the impact of a long\u2010haul travel across \u223c13 time zones on sleep patterns, rest\u2013activity circadian rhythms (RAR), and their subsequent effects on neuromuscular function and race performance in the Canadian Short\u2010Track Speed Skating Team. Nineteen athletes (24\u00a0\u00b1\u00a04\u00a0years, 11 women) travelled from Montr\u00e9al (UTC\u20105) to Asia (UTC+8, UTC+9) for World Cup races between 2017 and 2019. Actigraphy data were collected before (Baseline) and during travel, during the stay in Asia (SIA), and during competition days. RAR were computed using cosinor analyses on accelerometry data with 24\u00a0h phase periods. Countermovement jump height (CMJ) was measured in a subsample (\n                    <jats:italic>n<\/jats:italic>\n                    \u00a0=\u00a010). Compared to baseline (7:08\u00a0\u00b1\u00a00:53), athletes obtained less sleep during travel (6:16\u00a0\u00b1\u00a01:27) and competition days (6:35\u00a0\u00b1\u00a01:10), and more during SIA (7:32\u00a0\u00b1\u00a00:46; time effect\n                    <jats:italic>P\u00a0<\/jats:italic>\n                    &lt;\u00a00.0001). Sleep efficiency and CMJ were greater in SIA than baseline (\n                    <jats:italic>P<\/jats:italic>\n                    \u00a0=\u00a00.007 and\n                    <jats:italic>P<\/jats:italic>\n                    \u00a0=\u00a00.0004, respectively). During SIA, sleep time increased by 9 min per night until the fifth day (\n                    <jats:italic>P\u00a0<\/jats:italic>\n                    &lt;\u00a00.0001), with a slight decrease in sleep efficiency (\n                    <jats:italic>P<\/jats:italic>\n                    \u00a0=\u00a00.005) and an increase in CMJ (\n                    <jats:italic>P\u00a0<\/jats:italic>\n                    &lt;\u00a00.0001). For RAR, mean activity peaked on day 2, shifting from late evening to \u223c15:00. Race performance was not different from other races of the same season (\n                    <jats:italic>P\u00a0<\/jats:italic>\n                    &gt;\u00a00.254). Our results demonstrated that, despite the possible sleep debt from the long\u2010haul travel, athletes recovered within 5 days, highlighting their adaptability to manage sleep debt and jetlag without impacting competitive outcomes.\n                  <\/jats:p>","DOI":"10.1113\/ep092195","type":"journal-article","created":{"date-parts":[[2024,11,2]],"date-time":"2024-11-02T00:39:21Z","timestamp":1730507961000},"page":"1732-1743","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["The impact of long\u2010haul travel and 13\u00a0h time change on sleep and rest activity circadian rhythm in speed skaters during World Cup competitions"],"prefix":"10.1113","volume":"110","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9385-6972","authenticated-orcid":false,"given":"Giorgio","family":"Varesco","sequence":"first","affiliation":[{"name":"National Institute of Sport of Qu\u00e9bec  Montr\u00e9al QC Canada"},{"name":"Center for Advanced Research in Sleep Medicine H\u00f4pital du Sacr\u00e9\u2010Coeur de Montr\u00e9al, CIUSSS du Nord de l\u2019\u00cele\u2010de\u2010 Montr\u00e9al  Montr\u00e9al QC Canada"},{"name":"Department of Medicine Universit\u00e9 de Montr\u00e9al  Montr\u00e9al QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7234-7375","authenticated-orcid":false,"given":"Chun William","family":"Yao","sequence":"additional","affiliation":[{"name":"Center for Advanced Research in Sleep Medicine H\u00f4pital du Sacr\u00e9\u2010Coeur de Montr\u00e9al, CIUSSS du Nord de l\u2019\u00cele\u2010de\u2010 Montr\u00e9al  Montr\u00e9al QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Evelyne","family":"Dub\u00e9","sequence":"additional","affiliation":[{"name":"National Institute of Sport of Qu\u00e9bec  Montr\u00e9al QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guido","family":"Simonelli","sequence":"additional","affiliation":[{"name":"Center for Advanced Research in Sleep Medicine H\u00f4pital du Sacr\u00e9\u2010Coeur de Montr\u00e9al, CIUSSS du Nord de l\u2019\u00cele\u2010de\u2010 Montr\u00e9al  Montr\u00e9al QC Canada"},{"name":"Department of Medicine Universit\u00e9 de Montr\u00e9al  Montr\u00e9al QC Canada"},{"name":"Department of Neuroscience Universit\u00e9 de Montr\u00e9al  Montr\u00e9al QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9690-9168","authenticated-orcid":false,"given":"Fran\u00e7ois","family":"Bieuzen","sequence":"additional","affiliation":[{"name":"National Institute of Sport of Qu\u00e9bec  Montr\u00e9al QC 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