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J Hypertens. 2009 Sep;27(9):1789-93. doi: 10.1097/HJH.0b013e32832e49ef.

Sleep duration and blood pressure in children: a cross-sectional study.

Author information

1
Institute for Social Paediatrics and Adolescent Medicine, Ludwig-Maximilians University, Munich, Germany. Otmar.Bayer@lrz.uni-muenchen.de

Abstract

OBJECTIVES:

Short sleep duration as a risk factor for higher blood pressure has been reported by several studies on adults. This study aimed to investigate this association in children, considering age-specific effects and distributional aspects.

METHODS:

Using data from the German Health Interview and Examination Survey for Children and Adolescents (KiGGS, 2003-2006), information on daily sleeping hours and blood pressure measurements was available for 7701 children between 3 and 10 years of age.

RESULTS:

Using an age-independent measure for sleep duration, linear regression revealed a -0.80 mmHg (95% confidence interval -1.39; -0.22) mean arterial pressure difference between the children with the longest vs. shortest sleep duration. This effect was independent of age and was no longer significant when adjusted for BMI z-score and reported physical activity. Effect estimates obtained from quantile regression confirmed lack of significant associations over the entire blood pressure distribution.

CONCLUSION:

Sleep duration showed no or only marginal association with blood pressure in this large sample of children between 3 and 10 years of age. Further analysis indicated no age dependency or certain groups (e.g. prehypertensive children), in which sleep duration showed a greater effect on blood pressure.

PMID:
19633568
DOI:
10.1097/HJH.0b013e32832e49ef
[Indexed for MEDLINE]

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