Change in sleep duration and proposed dietary risk factors for obesity in Danish school children

M. F. Hjorth, J. S. Quist, Rikke Andersen, K. F. Michaelsen, Inge Tetens, A. Astrup, J.-P. Chaput, A, Sjödin

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Recent cross-sectional studies found higher consumption of energy-dense foods among children with short sleep duration; however, longitudinal studies examining changes in sleep and diet over time are needed.
This study aimed to investigate prospective associations between changes in objectively measured sleep duration and alterations in proposed dietary risk factors for obesity in 8–11-year-old Danish children.
Four hundred forty-one children recorded dietary intake during seven consecutive days, along with accelerometer measurements estimating sleep duration at baseline and after ∼200 days.
Baseline sleep duration did not predict changes in dietary intake or vice versa (all P ≥ 0.69). However, 1-h lower sleep duration was associated with higher intake of added sugar (1.59 E%; P = 0.001) and sugar-sweetened beverages (0.90 E%; P = 0.002) after 200 days with no change in energy density of the diet (P = 0.78).
Our results suggest that a negative change in sleep duration is associated with higher intakes of sugar containing foods/beverages.
Original languageEnglish
JournalPediatric Obesity
Issue number6
Pages (from-to)156-159
Publication statusPublished - 2014


  • Children
  • Diet
  • Overweight
  • Sleep


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