J Biol Rhythms February 2003 PMID 12568247

Life between clocks: daily temporal patterns of human chronotypes.

Till Roenneberg, Anna Wirz-Justice, Martha Merrow

Mentions

73
Peak: 10 in Oct 2019
across 5 sources since Oct 2019

Extended reach

123,905
potential audience

Total likes

2,235

Video views

62,483

Mentions per month

Oct 2019 – Sep 2025

Where it's discussed

  • News36 articles
  • X / Twitter19 posts
  • Blogs14 articles
  • YouTube2 videos
  • Reddit2 posts

AI synopsis

What people are saying

Discussions reflect strong interest and engagement with phrases like 'high time we fixed that' and references to established tools such as the MCTQ, illustrating recognition of the research’s importance. The tone is proactive and collaborative, emphasizing the societal relevance of improving sleep patterns and understanding chronotypes.

AgreementModerate agreement

Most discussions acknowledge the importance of the research and support its conclusions about sleep patterns and the effects of industrialization.

InterestHigh interest

The group shows high interest, referencing specific tools like the Munich ChronoType Questionnaire and noting the relevance of chronotypes.

EngagementModerate engagement

Participants engage by sharing additional resources, such as scholarly tools and past studies, indicating a moderate depth of involvement.

ImpactModerate impact

The conversations emphasize the significance of understanding human sleep behavior, highlighting implications for health and lifestyle changes.

Abstract in brief

  • The study investigates how individual sleep patterns vary, especially between those who wake early (larks) and those who stay awake late (owls), and how factors like genetics, light exposure, and sleep debt influence these patterns.
  • Researchers used a questionnaire to analyze sleep times, light exposure, and chronotypes on work versus free days, finding that most people sleep longer on free days to compensate for sleep debt accumulated during the workweek, especially among late chronotypes.
  • The findings suggest that light exposure can influence sleep timing, and that modern lifestyle changes during industrialization may have shifted sleep patterns, leading to widespread sleep deprivation that impacts cognitive functions and overall well-being.]

Top posts

Most liked on X and Bluesky
Society for Research on Biological Rhythms
@SRBR_Outreach · X

#ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used to assess chronotype. It proved to be a powerful tool to study the daily patterns in human behavior & its correlation to health issues. https://t.co/Sie9nEhHxF

Oct 10, 2019 · 22 likes · 10 shares · 5,533 followers View post →
NaomiOreskes
@NaomiOreskes · X

“ …the timing of sleep has changed during industrialization and … a majority of humans are sleep deprived during the workweek. “. Seems like it’s high time we fixed that. https://t.co/B3nBJi8xxj

Mar 17, 2022 · 12 likes · 1 share · 34,475 followers View post →
Luísa Tupinambá Jabbur (ʒabuʁ)
@M_louisae · X

@samuelwaggoner I welcome you to search on Google Scholar rather than regular google, because if you do you will find that the chronobiology community has already established tests and nomenclature for chronotypes, which are not the ones referenced on the link you posted https://t.co/7KnNEO9Tze https://t.co/YGfxXiqXl2

Oct 4, 2021 · 7 likes · 1,023 followers View post →
Tech Robot
@_tech_robot_ · X

#R #Automated | Munich ChronoType Questionnaire https://t.co/RxHqyoUiav

Nov 9, 2021 · 1 like · 1 share · 3,601 followers View post →
Jonathan Cedernaes
@JCedernaes · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 10, 2019 · 10 shares · 3,123 followers View post →
Jim Russell
@ProducerCities · X

The research "Life between clocks: daily temporal patterns of human chronotypes" https://t.co/xuqfOUJRbQ

Mar 28, 2022 · 3,123 followers View post →

All mentions

Human Brain and Circadian Rhythms Explained

Humans are naturally diurnal, relying on sunlight to regulate their biological clock. While individual sleep preferences vary due to genetics, our metabolism and cognitive functions are optimized for daytime activity…

Kelvin Corrêa · Sep 17, 2025 2,745 views
Frank Smith
@boomerang_38 · X

Life between clocks: daily temporal patterns of human chronotypes https://t.co/ieuS8EIvwB

Mar 29, 2022 · 575 followers View post →
Jim Russell
@ProducerCities · X

The research "Life between clocks: daily temporal patterns of human chronotypes" https://t.co/xuqfOUJRbQ

Mar 28, 2022 · 3,123 followers View post →
Chung van Gog
@onyxtopos · X

RT @NaomiOreskes: “ …the timing of sleep has changed during industrialization and … a majority of humans are sleep deprived during the work…

Mar 18, 2022 · 1 share · 111 followers View post →
James Igoe
@JamesJosephIgoe · X

Life between clocks: daily temporal patterns of human chronotypes - PubMed https://t.co/e1VMruezRJ via @instapaper

Mar 17, 2022 · 407 followers View post →
swork
@swork · X

IT'S NOT JUST ME! https://t.co/x4WaRnehiT

Mar 17, 2022 · 37 followers View post →
NaomiOreskes
@NaomiOreskes · X

“ …the timing of sleep has changed during industrialization and … a majority of humans are sleep deprived during the workweek. “. Seems like it’s high time we fixed that. https://t.co/B3nBJi8xxj

Mar 17, 2022 · 12 likes · 1 share · 34,475 followers View post →
Imabit Inc
@imabit_inc · X

RT @hasdid: #R #Automated | Munich ChronoType Questionnaire https://t.co/RxHqyoUiav

Nov 9, 2021 · 1 share · 166 followers View post →
Tech Robot
@_tech_robot_ · X

#R #Automated | Munich ChronoType Questionnaire https://t.co/RxHqyoUiav

Nov 9, 2021 · 1 like · 1 share · 3,601 followers View post →
Luísa Tupinambá Jabbur (ʒabuʁ)
@M_louisae · X

@samuelwaggoner I welcome you to search on Google Scholar rather than regular google, because if you do you will find that the chronobiology community has already established tests and nomenclature for chronotypes, which are not the ones referenced on the link you posted https://t.co/7KnNEO9Tze https://t.co/YGfxXiqXl2

Oct 4, 2021 · 7 likes · 1,023 followers View post →
Fernanda Ceriani
@fceriani1 · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 11, 2019 · 10 shares · 213 followers View post →
Líria Alvino
@lilialvino · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 11, 2019 · 10 shares · 109 followers View post →
Royan Kamyar, M.D., MBA
@rnkamyar · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 11, 2019 · 10 shares · 1,915 followers View post →
Sara Montagnese
@MontagneseSara · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 11, 2019 · 10 shares · 963 followers View post →
Tinguely Gilberte
@GilTinguely · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 10, 2019 · 10 shares · 154 followers View post →
Dr. Michelle Gumz
@MLGumz · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 10, 2019 · 10 shares · 1,731 followers View post →
Toine Schoutens
@toineschoutens · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 10, 2019 · 10 shares · 1,634 followers View post →
Dr. Carleara Weiss
@CARLEARA · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 10, 2019 · 10 shares · 2,322 followers View post →
Jonathan Cedernaes
@JCedernaes · X

RT @SRBR_Outreach: #ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used t…

Oct 10, 2019 · 10 shares · 3,123 followers View post →
Society for Research on Biological Rhythms
@SRBR_Outreach · X

#ThrowbackThursday to 2003, when @TillRoen, @MarthaMerrow et al. introduced the MCTQ, a questionnaire that can be used to assess chronotype. It proved to be a powerful tool to study the daily patterns in human behavior & its correlation to health issues. https://t.co/Sie9nEhHxF

Oct 10, 2019 · 22 likes · 10 shares · 5,533 followers View post →