ArticleScientific reports2020
Chronotype assessment via a large scale socio-demographic survey favours yearlong Standard time over Daylight Saving Time in central Europe.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
20 citing papers in PubMed, 41 citations in OpenAlex.
- Sex and age modulate the relationship between melanopsin-dependent light sensitivity and chronotype.Sleep · 2026Article
- School Start Times in Alabama.The Journal of school health · 2026Article
- Chronodisruption that dampens output of the central clock abolishes rhythms in metabolome profiles and elevates acylcarnitine levels in the liver of female rats.Acta physiologica (Oxford, England) · 2025Article
- Mindfulness mediates the association between chronotype and depressive symptoms in young adults.PloS one · 2025Article
- Circadian Disruption as a Risk Factor for Development of Cardiovascular and Metabolic Disorders - From Animal Models to Human Population.Physiological research · 2024Review
- Circadian dysfunction and cardio-metabolic disorders in humans.Frontiers in endocrinology · 2024Review
- Article
- Evening Chronotype and Suicide: Exploring Neuroinflammation and Psychopathological Dimensions as Possible Bridging Factors-A Narrative Review.Brain sciences · 2023Review
- Chronotype delay and sleep disturbances shaped by the Antarctic polar night.Scientific reports · 2023Article
- Daily rhythms, light exposure and social jetlag correlate with demographic characteristics and health in a nationally representative survey.Scientific reports · 2023Article
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- Article
- Article
- The Effect of Chronotype on Oppositional Behaviour and Psychomotor Agitation of School-Age Children: A Cross-Sectional Study.International journal of environmental research and public health · 2022Article
- A Data-Informed Perspective on Public Preferences for Retaining or Abolishing Biannual Clock Changes.Journal of biological rhythms · 2022Article
- Common Ground between Biological Rhythms and Forensics.Biology · 2022Review
- The rs10830963 Polymorphism of the MTNR1B Gene: Association With Abnormal Glucose, Insulin and C-peptide Kinetics.Frontiers in endocrinology · 2022Article
- Association of Delayed Sleep/Wake Rhythm with Depression During the First COVID-19 Lockdown in France.Nature and science of sleep · 2022Article
- It's About Time: The Circadian Network as Time-Keeper for Cognitive Functioning, Locomotor Activity and Mental Health.Frontiers in physiology · 2022Review
- Review
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abandoning daylight saving time in Europe raises the topical issue of proper setting of yearlong social time, which needs mapping of various socio-demographic factors, including chronotype, in specific geographic regions. This study represents the first detailed large scale chronotyping in the Czech Republic based on data collected in the complex panel socio-demographic survey in households (total 8760 respondents) and the socio-physiological survey, in which chronotyped participants also provided blood samples (n = 1107). Chronotype assessment based on sleep phase (MCTQ questions and/or time-use diary) correlated with a self-assessed interval of best alertness. The mean chronotype of the Czech population defined as mid sleep phase (MSFsc) was 3.13 ± 0.02 h. Chronotype exhibited significant east-to-westward, north-to-southward, and settlement size-dependent gradients and was associated with age, sex, partnership, and time spent outdoors as previously demonstrated. Moreover, for subjects younger than 40 years, childcare was highly associated with earlier chronotype, while dog care was associated with later chronotype. Body mass index correlated with later chronotype in women whose extreme chronotype was also associated with lower plasma levels of protective HDL cholesterol. Based on the chronotype prevalence the results favour yearlong Standard Time as the best choice for this geographic region.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.