Cited by 119Sleep and related disordersCircadian rhythm and melatoninNutrition, Health and Food Behavior

Chronotype, social jetlag and sleep debt are associated with dietary intake among Brazilian undergraduate students

Silva, Catarina Mendes, Mota, Maria Carliana, Miranda, Mariana Tavares, Paim, Samantha Lemos, Waterhouse, Jim, Crispim, Cibele Aparecida·2016·Chronobiology International

Abstract

Undergraduate students experience a form of circadian misalignment - known as "social jetlag" - that represents the discrepancy in timing between their circadian and social clocks. Whilst social jetlag is not dependent upon chronotype, the two phenomena tend to be related; evening types show a tendency to have a greater social jetlag, for example. Moreover, evening types have been found to be more likely to have inadequate eating habits than do morning types. The objective of this study was to examine the relationship between chronotype, social jetlag, perceived sleep debt and dietary intake in Brazilian undergraduate students. The chronotype was derived from mid-sleep time on free days (MSF) at the weekend. Social jetlag was calculated as the absolute difference between mid-sleep time on weekdays and weekends. Perceived sleep debt was calculated using the difference between students' preferred weekday sleep duration and their self-reported actual weekday sleep duration. Correlations were found between chronotype and breakfast time (r = 0.24, p = 0.003) and lunch time (r = 0.19, p = 0.01). Multiple regression analyses showed that chronotype was positively associated with consumption of meat (β = 0.21; p = 0.003); social jetlag was negatively associated with consumption of beans (β = -0.16; p = 0.02) and perceived sleep debt was positively associated with consumption of beverages (β = 0.15; p = 0.02) and dairy products (β = 0.17; p = 0.01) and negatively associated with consumption of cereals and pasta (β = -0.16; p = 0.02). It is concluded that, in undergraduate students, chronotype (MSF), social jetlag and perceived sleep debt can influence the type and amount of some food groups consumed at mealtimes.

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Crossref · 10.3109/07420528.2016.1167712

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Authors
Silva, C. M., Mota, M. C., Miranda, M. T., Paim, S. L., Waterhouse, J., & Crispim, C. A.
Affiliations
  • Universidade Federal de Uberlândia (BR)
  • Liverpool John Moores University (GB)
Corresponding author
Crispim, Cibele Aparecida
Venue
Chronobiology International
Published
2016-04-12
Volume
33
Issue
6
Pages
740-748
ISSN
  • 0742-0528 (ISSN-L)
  • 1525-6073
OpenAlex
W2336873704
Cited by
119
References
40
Citations by year
2026: 6 · 2025: 7 · 2024: 7 · 2023: 20 · 2022: 16 · 2021: 22 · 2020: 10 · 2019: 13 · 2018: 11 · 2017: 7
FWCI
14.71
Type
journal article
Language
en
Open access
closed
Locations
  • Chronobiology International (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
Keywords
chronotype, social jetlag, sleep debt, dietary intake, dietary habits, circadian misalignment, undergraduate students, meal timing, meat consumption, dairy products, beverages, Brazilian students
MeSH terms
Adolescent, Adult, Brazil, Circadian Rhythm, Feeding Behavior, Female, Humans, Male, Surveys and Questionnaires, Sleep, Social Behavior, Students, Time Factors, Jet Lag Syndrome, Young Adult

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