Scientists from Britain have set: to improve the quality of sperm should men sleep naked. His theory confirmed in the study with the participation of volunteers.
People were divided into two groups. The first group of men sleeping in underwear, the second one – shot it before sending it to bed. At the beginning of the experiment and at the end of it, scientists took seeds of volunteers for analysis.
The study showed that sleep in the Nude, slightly increases the concentration of sperm. Scientists advise men to not wear tight underwear in the daytime. As a rule, it overly hard on the genitals and reducing the blood flow in the genitals.