COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock

Bibliographic Details
Main Author: Korman, Maria
Publication Date: 2020
Other Authors: Tkachev, Vadim, Reis, Cátia, Komada, Yoko, Kitamura, Shingo, Gubin, Denis, Kumar, Vinod, Roenneberg, Till
Format: Article
Language: eng
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: http://hdl.handle.net/10451/45497
Summary: © The Author(s) 2020. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creat iveco mmons .org/licen ses/by/4.0/
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spelling COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock© The Author(s) 2020. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creat iveco mmons .org/licen ses/by/4.0/In humans, sleep regulation is tightly linked to social times that assign local time to events, such as school, work, or meals. The impact of these social times, collectively-social time pressure, on sleep has been studied epidemiologically via quantification of the discrepancy between sleep times on workdays and those on work-free days. This discrepancy is known as the social jetlag (SJL). COVID-19-mandated social restrictions (SR) constituted a global intervention by affecting social times worldwide. We launched a Global Chrono Corona Survey (GCCS) that queried sleep-wake times before and during SR (preSR and inSR). 11,431 adults from 40 countries responded between April 4 and May 6, 2020. The final sample consisted of 7517 respondents (68.2% females), who had been 32.7 ± 9.1 (mean ± sd) days under SR. SR led to robust changes: mid-sleep time on workdays and free days was delayed by 50 and 22 min, respectively; sleep duration increased on workdays by 26 min but shortened by 9 min on free days; SJL decreased by ~ 30 min. On workdays inSR, sleep-wake times in most people approached those of their preSR free days. Changes in sleep duration and SJL correlated with inSR-use of alarm clocks and were larger in young adults. The data indicate a massive sleep deficit under pre-pandemic social time pressure, provide insights to the actual sleep need of different age-groups and suggest that tolerable SJL is about 20 min. Relaxed social time pressure promotes more sleep, smaller SJL and reduced use of alarm clocks.Springer Nature LimitedRepositório da Universidade de LisboaKorman, MariaTkachev, VadimReis, CátiaKomada, YokoKitamura, ShingoGubin, DenisKumar, VinodRoenneberg, Till2020-12-21T14:32:50Z20202020-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10451/45497engSci Rep. 2020 Dec 17;10 (1): 2222510.1038/s41598-020-79299-72045-2322info:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2025-03-17T14:26:23Zoai:repositorio.ulisboa.pt:10451/45497Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-29T03:12:13.490600Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock
title COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock
spellingShingle COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock
Korman, Maria
title_short COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock
title_full COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock
title_fullStr COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock
title_full_unstemmed COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock
title_sort COVID-19-mandated social restrictions unveil the impact of social time pressure on sleep and body clock
author Korman, Maria
author_facet Korman, Maria
Tkachev, Vadim
Reis, Cátia
Komada, Yoko
Kitamura, Shingo
Gubin, Denis
Kumar, Vinod
Roenneberg, Till
author_role author
author2 Tkachev, Vadim
Reis, Cátia
Komada, Yoko
Kitamura, Shingo
Gubin, Denis
Kumar, Vinod
Roenneberg, Till
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Korman, Maria
Tkachev, Vadim
Reis, Cátia
Komada, Yoko
Kitamura, Shingo
Gubin, Denis
Kumar, Vinod
Roenneberg, Till
description © The Author(s) 2020. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creat iveco mmons .org/licen ses/by/4.0/
publishDate 2020
dc.date.none.fl_str_mv 2020-12-21T14:32:50Z
2020
2020-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10451/45497
url http://hdl.handle.net/10451/45497
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Sci Rep. 2020 Dec 17;10 (1): 22225
10.1038/s41598-020-79299-7
2045-2322
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer Nature Limited
publisher.none.fl_str_mv Springer Nature Limited
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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