Chronotype, gender and general health

Fabbian, Fabio; Zucchi, Beatrice; Giorgi, Alfredo De; Tiseo, Ruana; Boari, Benedetta; Salmi, Raffaella; Cappadona, Rosaria; Gianesini, Gloria; Bassi, Erika; Signani, Fulvia; Raparelli, Valeria; Basili, Stefania; Manfredini, Roberto

doi:10.1080/07420528.2016.1176927

Cited by 201 publications

(156 citation statements)

References 143 publications

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“…As later chronotypes typically sleep and eat later during the 24 h day, these behaviors may be potential mediators linking chronotype to cardiometabolic risk factors (Reutrakul & Knutson, 2015). Shorter sleep duration was found to be associated with later chronotype (Fabbian et al, 2016), possibly partly due to earlier wake time than desired, especially during workdays, to conform to normal social schedule. In addition, sleep quality is usually poorer in those with later chronotype (Fabbian et al, 2016).…”

Section: Discussionmentioning

confidence: 96%

“…Shorter sleep duration was found to be associated with later chronotype (Fabbian et al, 2016), possibly partly due to earlier wake time than desired, especially during workdays, to conform to normal social schedule. In addition, sleep quality is usually poorer in those with later chronotype (Fabbian et al, 2016). Both short sleep duration and poor sleep quality have been linked to insulin resistance, glucose intolerance and increased diabetes risk (Reutrakul & Van Cauter, 2014).…”

Section: Discussionmentioning

confidence: 98%

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Later chronotype is associated with higher hemoglobin A1c in prediabetes patients

Anothaisintawee

Lertrattananon

Thamakaison

et al. 2017

Chronobiology International

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The circadian system is known to play a role in glucose metabolism. Chronotype reflects the interindividual variability in the phase of entrainment. Those with later chronotype typically prefer later times in the day for different activities such as sleep or meals. Later chronotype has been shown to be associated with metabolic syndrome, increased diabetes risk and poorer glycemic control in type 2 diabetes patients. In addition, "social jetlag", a form of circadian misalignment due to a mismatch between social rhythms and the circadian clock, has been shown to be associated with insulin resistance. Other sleep disturbances (insufficient sleep, poor sleep quality and sleep apnea) have also been shown to affect glucose metabolism. In this study, we explored whether there was a relationship between chronotype, social jetlag and hemoglobin A1c (HbA1c) levels in prediabetes patients, independent of other sleep disturbances. A cross-sectional study was conducted at the Department of Family Medicine, Ramathibodi Hospital, Bangkok, from October 2014 to March 2016 in 1014 non-shift working adults with prediabetes. Mid-sleep time on free day adjusted for sleep debt (MSFsc) was used as an indicator of chronotype. Social jetlag was calculated based on the absolute difference between mid-sleep time on weekdays and weekends. The most recent HbA1c values and lipid levels were retrieved from clinical laboratory databases. Univariate analyses revealed that later MSFsc (p = 0.028) but not social jetlag (p = 0.48) was significantly associated with higher HbA1c levels. Multivariate linear regression analysis was applied to determine whether an independent association between MSFsc and HbA1c level existed. After adjusting for age, sex, alcohol use, body mass index (BMI), social jetlag, sleep duration, sleep quality and sleep apnea risk, later MSFsc was significantly associated with higher HbA1c level (B = 0.019, 95% CI: 0.00001, 0.038, p = 0.049). The effect size of one hour later MSFsc on HbA1c (standardized coefficient = 0.065) was approximately 74% of that of the effect of one unit (kg/m 2 ) increase in BMI (standardized coefficient = 0.087). In summary, later chronotype is associated with higher HbA1c levels in patients with prediabetes, independent of social jetlag and other sleep disturbances. Further research regarding the potential role of chronotype in diabetes prevention should be explored. ARTICLE HISTORY

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 98%

Later chronotype is associated with higher hemoglobin A1c in prediabetes patients

Anothaisintawee

Lertrattananon

Thamakaison

et al. 2017

Chronobiology International

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“…Finally, when considering gender as a moderating variable, according to a recent review of the literature by Fabbian et al (2016), associations of eveningness with a number of negative outcomes in the domains of physical and psychological health, sleep and achievement may be stronger for women than for men.…”

Section: Methodsmentioning

confidence: 99%

Two in a bed: The influence of couple sleeping and chronotypes on relationship and sleep. An overview

Richter

Adam

Geiss

et al. 2016

Chronobiology International

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Objective: To summarize research on couple sleeping with respect to gender-specific differences and chronotype. Methods: Systematic review of the literature. Results: Millions of adults around the world share their beds with a partner. This may be an expression of intimacy and attachment and tends to intensify romantic relationships. Yet, couple sleeping still has underestimated implications for the quality of the relationship, quality of sleep and for physical and psychological health which are not consistently positive. Implications for research and therapy are discussed. Conclusions: Despite the people involved perhaps not even being aware of their nocturnal interactions, it is important that sleeping together becomes a subject of discussion. Abbreviations: REM: rapid eye movement; QOL: quality of life; OSA: obstructive sleep apnea; CPAP: continuous positive airway pressure

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“…The distribution of the timing of circadian rhythms, or chronotypes, ranges from those individuals that prefer to wake and retire to bed early to those who prefer to go to bed late and rise late, and it is becoming increasingly clear that chronotype impacts on many aspects of life including general health, mental health, cognition and addictive behaviours [1]. …”

Section: Introductionmentioning

confidence: 99%

A Bibliometric Analysis of the Top 100 Most Cited Chronotype Research Papers

Norbury¹

2017

Journal of Circadian Rhythms

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Bibliometric indices are a widely used measure of research impact. The aim of the current study was to identify and characterise the top one hundred most-cited research articles in the topic of chronotype research. A search of the Thomson Reuters Web of Science database returned 974 eligible articles (published between 1990 and 2016). Citations for the 100 most-cited articles ranged between 438 and 29. The most represented journal was Chronobiology International (n = 30). Nearly 50% of articles originated in Germany and the U.S. The bibliometrics reported identify key publications and provide insight into trends within the topic of chronotype research.

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Chronotype, gender and general health

Cited by 201 publications

References 143 publications

Later chronotype is associated with higher hemoglobin A1c in prediabetes patients

Later chronotype is associated with higher hemoglobin A1c in prediabetes patients

Two in a bed: The influence of couple sleeping and chronotypes on relationship and sleep. An overview

A Bibliometric Analysis of the Top 100 Most Cited Chronotype Research Papers

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