• Ya-Nan Chen, Cui-Xia An, Ran Wang, Lan Wang, Mei Song, Lu-Lu Yu, Fei-Fei Sun, and Xue-Yi Wang.
• Department of Psychiatry, First Hospital of Hebei Medical University.
• Medicine (Baltimore). 2021 Mar 19; 100 (11): e24565e24565.

AbstractTo determine the effect of earthquake on sleep quality of adults who had experienced Tangshan Earthquake either as infants or fetuses and also investigate whether CRHR1 polymorphism influenced sleep quality in subjects exposed to seismic stress.Totally 556 subjects were enrolled in the current study and were divided into 3 groups, those who had experienced Tangshan Earthquake as infants (group I) or fetuses (group II), and those who had not experienced Tangshan Earthquake (group III). Sleep was evaluated using the Pittsburgh Sleep Quality Index (PQSI). Three single nucleotide polymorphisms of the CRHR1 gene were analyzed.Fifty two (9.4%) subjects had sleep disturbance, including 17 (9.9%) subjects in group I, 24 (13.4%) subjects in group II, and 11 (5.3%) subjects in group III (χ2 = 7.373, P = .025). Moreover, subjects with CRHR1 genotype T/T had a significantly lower rate of sleep disturbance (7.8%) than subjects with genotype C/T and C/C (14.7%; χ2 = 4.845, P  = .028). Furthermore, subjects with rs7209436 genotype C had an approximately 2-fold increase in the risk of sleep disturbance versus those who were not genotype C (OR = 1.978, 95% CI (1.045, 3.744).Prenatal and postnatal exposure to seismic stress significantly increases subsequent risk of sleep disturbance in adulthood.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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