{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T12:04:08Z","timestamp":1784721848930,"version":"3.55.0"},"reference-count":50,"publisher":"Informa UK Limited","issue":"8","license":[{"start":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T00:00:00Z","timestamp":1776643200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1080\/policies-text-data-mining"}],"funder":[{"name":"The chronobiology component of this research was the R\u00e9gion Normandie"}],"content-domain":{"domain":["www.tandfonline.com"],"crossmark-restriction":true},"short-container-title":["Chronobiology International"],"published-print":{"date-parts":[[2026,8,3]]},"DOI":"10.1080\/07420528.2026.2661312","type":"journal-article","created":{"date-parts":[[2026,4,21]],"date-time":"2026-04-21T02:12:13Z","timestamp":1776737533000},"page":"1271-1294","update-policy":"https:\/\/doi.org\/10.1080\/tandf_crossmark_01","source":"Crossref","is-referenced-by-count":0,"title":["Circadian free-running and temporal organization during 40\u2009days of human group isolation in a cave without external time cues"],"prefix":"10.1080","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4862-6531","authenticated-orcid":false,"given":"Benoit","family":"Mauvieux","sequence":"first","affiliation":[{"name":"Universit\u00e9 de Caen","place":["Normandie, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9792-1468","authenticated-orcid":false,"given":"Virginie","family":"Gabel","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Caen","place":["Normandie, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4336-1271","authenticated-orcid":false,"given":"V\u00e9ronique","family":"Raverot","sequence":"additional","affiliation":[{"name":"Hospices Civils de Lyon, Centre de Biologie Est","place":["Lyon, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6882-1804","authenticated-orcid":false,"given":"Christian","family":"Clot","sequence":"additional","affiliation":[{"name":"Human Adaptation Institute","place":["Marseille, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9659-8005","authenticated-orcid":false,"given":"St\u00e9phane","family":"Besnard","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Caen","place":["Normandie, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"301","published-online":{"date-parts":[[2026,4,20]]},"reference":[{"key":"e_1_3_4_2_1","doi-asserted-by":"publisher","DOI":"10.2741\/1064"},{"key":"e_1_3_4_3_1","doi-asserted-by":"publisher","DOI":"10.2170\/jjphysiol.17.450"},{"key":"e_1_3_4_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00586611"},{"key":"e_1_3_4_5_1","first-page":"195","article-title":"A two-process model of sleep regulation","volume":"1","author":"Borb\u00e9ly AA","year":"1982","unstructured":"Borb\u00e9ly AA. 1982. A two-process model of sleep regulation. Hum Neurobiol. 1:195\u2013204.","journal-title":"Hum Neurobiol"},{"key":"e_1_3_4_6_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.21-16-06405.2001"},{"key":"e_1_3_4_7_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-018-19365-3"},{"key":"e_1_3_4_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/0013-4694(74)90112-6"},{"key":"e_1_3_4_9_1","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1968.25.2.170"},{"key":"e_1_3_4_10_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.284.5423.2177"},{"key":"e_1_3_4_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/0022-5193(78)90378-8"},{"key":"e_1_3_4_12_1","doi-asserted-by":"publisher","DOI":"10.1177\/0748730413514357"},{"key":"e_1_3_4_13_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev-physiol-021909-135821"},{"key":"e_1_3_4_14_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.15-05-03526.1995"},{"key":"e_1_3_4_15_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1010666108"},{"key":"e_1_3_4_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jsmc.2009.01.004"},{"key":"e_1_3_4_17_1","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms11662"},{"key":"e_1_3_4_18_1","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2010-2098"},{"key":"e_1_3_4_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.patbio.2004.12.025"},{"key":"e_1_3_4_20_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.0702835104"},{"key":"e_1_3_4_21_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1069609"},{"key":"e_1_3_4_22_1","first-page":"127","article-title":"Free-running psycho-physiologic circadians and three-month pattern in a woman isolated in a cave","volume":"10","author":"Hillman DC","year":"1994","unstructured":"Hillman DC, Siffre M, Milano G, Halberg F. 1994a. Free-running psycho-physiologic circadians and three-month pattern in a woman isolated in a cave. New Trends Exp Clin Psychiatry. 10:127\u2013133.","journal-title":"New Trends Exp Clin Psychiatry"},{"key":"e_1_3_4_23_1","first-page":"173","article-title":"Urinary about-84-hour (circasemiseptan) variations of a woman isolated in a cave and cosmic ray effects","volume":"10","author":"Hillman DC","year":"1994","unstructured":"Hillman DC, Siffre M, Milano G, Halberg F. 1994b. Urinary about-84-hour (circasemiseptan) variations of a woman isolated in a cave and cosmic ray effects. New Trends Exp Clin Psychiatry. 10:173\u2013178.","journal-title":"New Trends Exp Clin Psychiatry"},{"key":"e_1_3_4_24_1","first-page":"97","article-title":"A self-assessment questionnaire to determine morningness-eveningness in human circadian rhythms","volume":"4","author":"Horne JA","year":"1976","unstructured":"Horne JA, \u00d6stberg O. 1976. A self-assessment questionnaire to determine morningness-eveningness in human circadian rhythms. Int J Chronobiol. 4:97\u2013110.","journal-title":"Int J Chronobiol"},{"key":"e_1_3_4_25_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40656-023-00571-w"},{"key":"e_1_3_4_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2006.03.011"},{"key":"e_1_3_4_27_1","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2003-030570"},{"key":"e_1_3_4_28_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tins.2013.10.004"},{"key":"e_1_3_4_29_1","doi-asserted-by":"publisher","DOI":"10.1152\/physrev.1966.46.1.128"},{"key":"e_1_3_4_30_1","doi-asserted-by":"publisher","DOI":"10.1113\/jphysiol.1974.sp010623"},{"key":"e_1_3_4_31_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1464793103006353"},{"key":"e_1_3_4_32_1","doi-asserted-by":"publisher","DOI":"10.1177\/0748730405277982"},{"key":"e_1_3_4_33_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1516953113"},{"key":"e_1_3_4_34_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cell.2017.03.027"},{"key":"e_1_3_4_35_1","doi-asserted-by":"publisher","DOI":"10.1098\/rsbl.2015.0204"},{"key":"e_1_3_4_36_1","doi-asserted-by":"publisher","DOI":"10.1177\/0748730411414163"},{"key":"e_1_3_4_37_1","doi-asserted-by":"publisher","DOI":"10.1080\/07420520802256101"},{"key":"e_1_3_4_38_1","first-page":"782","article-title":"Spectre thermique (rythmes de la temperature rectale) d\u2019une femme adulte avant, pendant et apr\u00e8s son isolement souterrain de trois mois","volume":"262","author":"Reinberg A","year":"1966","unstructured":"Reinberg A, Halberg F, Ghata J, Siffre M. 1966. Spectre thermique (rythmes de la temperature rectale) d\u2019une femme adulte avant, pendant et apr\u00e8s son isolement souterrain de trois mois. C R Acad Sci. 262:782\u2013785.","journal-title":"C R Acad Sci"},{"key":"e_1_3_4_39_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.0808180106"},{"key":"e_1_3_4_40_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0000721"},{"key":"e_1_3_4_41_1","volume-title":"Hors du temps: l\u2019aventure des sp\u00e9l\u00e9onautes","author":"Siffre M","year":"1972","unstructured":"Siffre M. 1972. Hors du temps: l\u2019aventure des sp\u00e9l\u00e9onautes. Librairie Arth\u00e8me Fayard."},{"key":"e_1_3_4_42_1","first-page":"915","article-title":"Prolonged subterranean isolation: study of two healthy adult subjects before, during and after isolation","volume":"74","author":"Siffre M","year":"1966","unstructured":"Siffre M et al. 1966. Prolonged subterranean isolation: study of two healthy adult subjects before, during and after isolation. Presse Med. 74:915\u2013919.","journal-title":"Presse Med"},{"key":"e_1_3_4_43_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.2205301119"},{"key":"e_1_3_4_44_1","doi-asserted-by":"publisher","DOI":"10.1076\/brhm.30.2.149.1424"},{"key":"e_1_3_4_45_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neubiorev.2022.104644"},{"key":"e_1_3_4_46_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cub.2007.01.073"},{"key":"e_1_3_4_47_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cub.2017.04.059"},{"key":"e_1_3_4_48_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00586612"},{"key":"e_1_3_4_49_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4612-6142-1"},{"key":"e_1_3_4_50_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cub.2013.06.039"},{"key":"e_1_3_4_51_1","doi-asserted-by":"publisher","DOI":"10.1177\/0748730404274265"}],"updated-by":[{"DOI":"10.1080\/07420528.2026.2672196","type":"correction","label":"Correction","source":"publisher","updated":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T00:00:00Z","timestamp":1778457600000}}],"container-title":["Chronobiology International"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/07420528.2026.2661312","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.tandfonline.com\/doi\/full-xml\/10.1080\/07420528.2026.2661312","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/07420528.2026.2661312","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T11:35:19Z","timestamp":1784720119000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/07420528.2026.2661312"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4,20]]},"references-count":50,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2026,8,3]]}},"alternative-id":["10.1080\/07420528.2026.2661312"],"URL":"https:\/\/doi.org\/10.1080\/07420528.2026.2661312","relation":{},"ISSN":["0742-0528","1525-6073"],"issn-type":[{"value":"0742-0528","type":"print"},{"value":"1525-6073","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4,20]]},"assertion":[{"value":"The publishing and review policy for this title is described in its Aims & Scope.","order":1,"name":"peerreview_statement","label":"Peer Review Statement"},{"value":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=icbi20","URL":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=icbi20","order":2,"name":"aims_and_scope_url","label":"Aim & Scope"},{"value":"2026-02-23","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-03-20","order":1,"name":"revised","label":"Revised","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-04-13","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-04-20","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}