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Long Sleep Duration and Social Jetlag Are Associated Inversely with a Healthy Dietary Pattern in Adults: Results from the UK National Diet and Nutrition Survey Rolling Programme Y1-4
Brain Performance & Nutrition Research Centre, Faculty of Health and Life Sciences, Northumbria University, Newcastle-upon-Tyne Tyne and Wear, UK.ORCID iD: 0000-0003-2803-6120
Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, UK.
Department of Sport, Exercise and Rehabilitation, Faculty of Health and Life Sciences, Northumbria University, Newcastle-upon-Tyne Tyne and Wear, UK.
Örebro University, School of Medical Sciences. (Clinical Epidemiology and Biostatistics)ORCID iD: 0000-0003-1030-3470
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2018 (English)In: Nutrients, ISSN 2072-6643, E-ISSN 2072-6643, Vol. 10, no 9, article id 1131Article in journal (Refereed) Published
Abstract [en]

Limited observational studies have described the relationship between sleep duration and overall diet. The present study investigated the association between sleep duration on weekdays or social jetlag and empirically derived dietary patterns in a nationally representative sample of UK adults, aged 19-64 years old, participating in the 2008-2012 UK National Diet and Nutrition Survey Rolling Programme. Survey members completed between three to four days of dietary records. Sleep duration on weekdays was categorized into tertiles to reflect short, normal, and long sleep duration. Social jetlag was calculated as the difference between sleep duration on weekends and weekdays. The association between sleep duration/social jetlag and dietary patterns, derived by principal components analysis, was assessed by regressing diet on sleep, whilst accounting for the complex survey design and adjusting for relevant confounders. Survey members in the highest tertile of sleep duration had on average a 0.45 (95% Confidence Interval (CI) -0.78, -0.12) lower healthy dietary pattern score, compared to middle tertile (p = 0.007). There was an inverted u-shaped association between social jetlag and the healthy dietary pattern, such that when sleep on weekends exceeded weekday sleep by 1 h 45 min, scores for indicating a healthy dietary pattern declined (p = 0.005). In conclusion, long sleep duration on weekdays and an increased social jetlag are associated with a lower healthy dietary pattern score. Further research is required to address factors influencing dietary patterns in long sleepers.

Place, publisher, year, edition, pages
MDPI , 2018. Vol. 10, no 9, article id 1131
Keywords [en]
sleep, social jetlag, diet food and nutrition, nutrition surveys, cross-sectional, epidemiology, adults, public health
National Category
Nutrition and Dietetics
Identifiers
URN: urn:nbn:se:oru:diva-70224DOI: 10.3390/nu10091131ISI: 000448659900004PubMedID: 30134567Scopus ID: 2-s2.0-85052568982OAI: oai:DiVA.org:oru-70224DiVA, id: diva2:1264386
Available from: 2018-11-20 Created: 2018-11-20 Last updated: 2018-11-20Bibliographically approved

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