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  • Response to Letter to the Editor
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Response to Dr Andersen et al.

European Journal of Clinical Nutrition volume 68, pages 282–283 (2014)Cite this article

Subjects

We are grateful to the colleagues from the Federal University of São Paulo and Marilia Medical School, Brazil, for their suggestion to investigate sleep duration in future studies.1

However, the association between sleep duration and obesity has not been fully understood and supported by prospective epidemiological studies.2, 3 Cappuccio et al.4 based on a meta-analysis involving 30 002 children and 604 509 adults did not confirm a causal inference between sleep disturbances and obesity due to lack of control of important confounders and inconsistent evidence of temporal sequence in prospective studies. The relationship was confirmed in cross-sectional studies, although a large representative sample of 102 353 US children from the National Survey of Children’s Health failed to reveal any independent association between insufficient sleep and childhood obesity.5

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References

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Authors and Affiliations

  1. Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, Brazil

    M R Sacco, N P de Castro, V L V Euclydes & P H C Rondó

  2. Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, Brazil

    J M Souza

Authors
  1. M R Sacco
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  2. N P de Castro
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  3. V L V Euclydes
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  5. P H C Rondó
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Correspondence to P H C Rondó.

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Sacco, M., de Castro, N., Euclydes, V. et al. Response to Dr Andersen et al.. Eur J Clin Nutr 68, 282–283 (2014). https://doi.org/10.1038/ejcn.2013.245

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