the lack of sleep night at the male fertility, according to results of a study published in the journal Journal of Sleep Research.
Researchers at Chongqing University (China) studied 2,020 semen samples provided by 796 male volunteers between 2013 and 2015 to analyze the effects of sleep on sperm health. Scientists analyzed the structure of chromatin, the complex of DNA and proteins that form chromosomes, an indicator of participants’ male fertility and how long they sleep.
7 hours of sleep for healthy sperm
The results of the study showed that the sleep has a real impact on the quality of spermtherefore on male fertility.
Indeed, the participants who slept more than 9 hours of sleep per day and those less than 6.5 hours per day displayed a weak chromatic structure, therefore a poorer fertility than the volunteers who had nights of 7 to 7.5. time.
“So we now know that sperm need a normal amount of sleep, at least for 2 parameters, semen volume or sperm count, and the integrity of their genetic material,” said Dr Jia Cao. , co-author of the study.
Read also:
Fertility: diet affects the quality of sperm
Men do not understand the causes of male infertility
Four truths to know if you want to have a baby