Department of Psychiatry, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey.
Department of Urology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey.
Eur J Obstet Gynecol Reprod Biol. 2023 Dec;291:190-195. doi: 10.1016/j.ejogrb.2023.10.019. Epub 2023 Oct 25.
The effect of sleep-related variables on the reproductive system has garnered attention in recent years. One of the mediators that reportedly plays an important role in the relationship between sleep disorders and the reproductive system is a disruption of the circadian rhythm. The aim of curent study is to investigate the effect of chronotype on morning semen quality.
Three-hundred and fourteen patients who applied to the infertility clinic were included in the study. The patients filled a socio-demographic data form. The "Pittsburg Sleep Quality Index (PSQI) was used to evaluate the sleep quality while the chronotypes of the patients were evaluated with the "Morningness -Eveningness-Questionnaire (MEQ)". Semen analyses and biochemical analysis for testosterone serum plasma level of all patients were performed.
Twenty-one patients were assigned as evening, 187 patients were assigned as intermediate, and 106 were assigned as morning chronotype. No statistically significant difference was identified in the comparison of the mean MEQ scores between patients with low and normal sperm concentrations(p = 0.884). A correlation analysis indicated the presence of a significant positive correlation between normal morphology and MEQ scores (r = 0.13, p < 0.05) and a negative corelation between the hours spent in bed and sperm concentration (r = -0.13, p < 0.05). A general linear model created with independent variables suggested that the presence of varicocele and MEQ scores had a significant effect on normal morphology.
The results of present study support that evening type could negatively affect sperm morphology; additionally, the time spent in bed also negatively affected sperm concentration.
近年来，睡眠相关变量对生殖系统的影响引起了关注。据报道，在睡眠障碍与生殖系统之间的关系中起着重要作用的中介之一是昼夜节律的破坏。本研究的目的是探讨时型对晨精液质量的影响。
本研究纳入了 314 名就诊于不孕不育诊所的患者。患者填写了社会人口统计学数据表格。使用“匹兹堡睡眠质量指数（PSQI）”评估睡眠质量，同时使用“Morningness-Eveningness-Questionnaire（MEQ）”评估患者的时型。对所有患者进行精液分析和血清睾酮水平的生化分析。
21 例患者被分配为夜间型，187 例患者被分配为中间型，106 例患者被分配为晨型。低精子浓度和正常精子浓度患者的平均 MEQ 评分比较无统计学差异（p=0.884）。相关性分析表明，正常形态与 MEQ 评分之间存在显著正相关（r=0.13，p<0.05），而睡眠时间与精子浓度之间存在显著负相关（r=-0.13，p<0.05）。使用独立变量创建的一般线性模型表明，精索静脉曲张和 MEQ 评分的存在对正常形态有显著影响。
本研究结果支持夜间型可能对精子形态产生负面影响；此外，睡眠时间也会对精子浓度产生负面影响。
