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KMID : 1044620210540030182
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Journal of Preventive Medicine and Public Health
2021 Volume.54 No. 3 p.182 ~ p.189
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Daytime Napping and Nighttime Sleep During Pregnancy and Preterm Birth in Iran
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Shaliha Farnaz
Mozaffari Maryam
Ramezani Faeze
Hajnasiri Hamideh
Moafi Farnoosh
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Abstract
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Objectives: This study investigated the relationship between sleep quality during pregnancy and preterm birth.
Methods: This longitudinal study was conducted between August 2018 and May 2019. The participants were 150 pregnant women who had been referred to 7 healthcare centers in the city of Qazvin, Iran and met the inclusion criteria. The Petersburg Sleep Quality Index, the Epworth Sleepiness Scale, and 2 questions about daytime sleep status and a demographic questionnaire were administered at 14-18 weeks and 28-32 weeks of gestation. Data were analyzed using the Mann-Whitney test, the Fisher exact test, and univariate and multivariable logistic regression.
Results: In the present study, poor sleep quality affected 84.7% of the participants at 14-18 weeks and 93.3% at 28-32 weeks of gestation. The final model for preterm birth prediction incorporated age and the Petersburg Sleep Quality Index score in the second and third trimesters. Preterm birth increased by 14% with each unit increase in age. With each unit increase in the Petersburg Sleep Quality Index score in the second and third trimesters, preterm birth increased by 42% and 28%, respectively, but the p-values of these factors were not significant.
Conclusions: Although a significant percentage of pregnant women had poor sleep quality, no significant relationship was found between sleep quality during pregnancy and preterm birth.
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KEYWORD
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Pregnancy, Premature birth, Sleep, Iran
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