Is passive smoking associated with sleep disturbance among pregnant women?

Takashi Ohida, Yoshitaka Kaneita, Yoneatsu Osaki, Satoru Harano, Takeo Tanihata, Shinji Takemura, Kiyoshi Wada, Hideyuki Kanda, Kenji Hayashi, Makoto Uchiyama

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


Study Objective: Pregnant women suffer from sleep disturbance, which may be aggravated by passive smoking. In this study we investigated the effects of passive smoking on sleep disturbance during pregnancy. Design: Two cross-sectional questionnaire surveys conducted in 2002 and 2006. Setting: Clinical institutions specializing in obstetrics and gynecology that participated in the nationwide surveys: 260 in the 2002 survey and 344 in the 2006 survey. Participants: 16,396 and 19,386 pregnant women in Japan surveyed in 2002 and 2006, respectively. Intervention: N/A. Measurements and Results: Pregnant women exposed to passive smoking were likely to have sleep disturbances, such as subjective insufficient sleep, difficulty in initiating sleep, short sleep duration, and snoring loudly/breathing uncomfortably. Smoking pregnant women had the same sleep disturbances and also experienced excessive daytime sleepiness and early morning awakening. The prevalence of 5 types of sleep disturbance (insufficient sleep, difficulty in initiating sleep, short sleep duration, excessive daytime sleepiness, and snoring loudly/breathing uncomfortably) among nonsmokers with environmental tobacco smoke showed a mean value intermediate between that of active smokers and that of non-smokers without environmental tobacco smoke. Conclusion: Passive smoking is independently associated with increased sleep disturbance during pregnancy.

Original languageEnglish
Pages (from-to)1155-1161
Number of pages7
Issue number9
Publication statusPublished - Sept 1 2007
Externally publishedYes


  • Epidemiology
  • Japan
  • Passive smoking
  • Pregnant women
  • Sleep disturbance

ASJC Scopus subject areas

  • Clinical Neurology
  • Physiology (medical)


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