Brief report: An epidemiologic survey of the prevalence of sleep disorders among children 2 to 12 years old in Beijing, China.

@article{Liu2005BriefRA,
  title={Brief report: An epidemiologic survey of the prevalence of sleep disorders among children 2 to 12 years old in Beijing, China.},
  author={Xicheng Liu and Yuyan Ma and Yizhuo Wang and Qinbo Jiang and Xiaochun Rao and Xiuying Lu and Honghong Teng},
  journal={Pediatrics},
  year={2005},
  volume={115 1 Suppl},
  pages={
          266-8
        }
}
OBJECTIVE This survey was conducted to examine the prevalence of sleep disorders in 2- to 12-year-old children in the Beijing area of China. METHODS From October 2001 to June 2002, 5979 children 2 to 12 years old in 6 randomly selected counties in Beijing were investigated with questionnaires. RESULTS The average total sleep time per day ranged from 11.38 hours among 2-year-olds down to 9.34 hours among 12-year-olds. The overall prevalence of sleep disorders was 21.2% and included… CONTINUE READING
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