{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T20:02:24Z","timestamp":1791576144964,"version":"4.3.4"},"reference-count":54,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2018,12,13]],"date-time":"2018-12-13T00:00:00Z","timestamp":1544659200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003958","name":"Stichting voor de Technische Wetenschappen","doi-asserted-by":"publisher","award":["P10\u201018\/12186"],"award-info":[{"award-number":["P10\u201018\/12186"]}],"id":[{"id":"10.13039\/501100003958","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Eur J of Neuroscience"],"published-print":{"date-parts":[[2020,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The timing of sleep is under the control of the circadian clock, which uses light to entrain to the external light\u2010dark cycle. A combination of genetic, physiological and environmental factors produces individual differences in chronotype (entrained phase as manifest in sleep timing). A mismatch between circadian and societal (e.g., work) clocks leads to a condition called social jetlag, which is characterized by changing sleep times over work and free days and accumulation of sleep debt. Social jetlag, which is prevalent in late chronotypes, has been related to several health issues. One way to reduce social jetlag would be to advance the circadian clock via modifications of the light environment. We thus performed two intervention field studies to describe methods for decreasing social jetlag. One study decreased evening light exposure (via blue\u2010light\u2010blocking glasses) and the other used increased morning light (via the use of curtains). We measured behaviour as well as melatonin; the latter in order to validate that behaviour was consistent with this neuroendocrinological phase marker of the circadian clock. We found that a decrease in evening blue light exposure led to an advance in melatonin and sleep onset on workdays. Increased morning light exposure advanced neither melatonin secretion nor sleep timing. Neither protocol led to a significant change in social jetlag. Despite this, our findings show that controlling light exposure at home can be effective in advancing melatonin secretion and sleep, thereby helping late chronotypes to better cope with early social schedules.<\/jats:p>","DOI":"10.1111\/ejn.14293","type":"journal-article","created":{"date-parts":[[2018,12,2]],"date-time":"2018-12-02T09:23:56Z","timestamp":1543742636000},"page":"2355-2366","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":68,"title":["Strategies to decrease social jetlag: Reducing evening blue light advances sleep and melatonin"],"prefix":"10.1111","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5348-9212","authenticated-orcid":false,"given":"Giulia","family":"Zerbini","sequence":"first","affiliation":[{"name":"Chronobiology Unit Groningen Institute for Evolutionary Life Sciences University of Groningen  Groningen The Netherlands"},{"name":"Institute of Medical Psychology LMU Munich  Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Kantermann","sequence":"additional","affiliation":[{"name":"Chronobiology Unit Groningen Institute for Evolutionary Life Sciences University of Groningen  Groningen The Netherlands"},{"name":"SynOpus  Bochum Germany"},{"name":"University of Applied Sciences for Economics and Management (FOM)  Essen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martha","family":"Merrow","sequence":"additional","affiliation":[{"name":"Chronobiology Unit Groningen Institute for Evolutionary Life Sciences University of Groningen  Groningen The Netherlands"},{"name":"Institute of Medical Psychology LMU Munich  Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,12,13]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.sleep.2012.12.011"},{"key":"e_1_2_11_3_1","first-page":"195","article-title":"A two process model of sleep regulation","volume":"1","author":"Borb\u00e9ly A. 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