Why Do Guys Get Sleepy After Sex?

 The relationship between sex and sleep can seem particularly disturbing to women. The fact is that no matter what time of day they have sex and how passionate it is, they almost always turn out to be the last awake partner in bed. Men's tendency to fall asleep anxiously fast after sex is a well-known phenomenon, and a study by New York University is looking for the underlying reasons for its appearance. The study is part of a special university program to explain gender differences in sex .

One of the main requirements for achieving a full orgasm during sex is overcoming anxiety and mental stress. Achieving such a state may explain the tendency to fall asleep quickly after sex, but it cannot explain the reasons for the gender differences. To establish them, American scientists have to dig a little deeper and reach the biochemical features of orgasm . So its preferable to 시알리스 구매

They found that during ejaculation in the male brain secretes a cocktail of bioactive substances, including norepinephrine, serotonin, oxytocin, vasopressin, nitric oxide and a key hormone - prolactin . It is he who is responsible for the feeling of sexual satisfaction and, alas, for the appearance of severe drowsiness.

Prolactin levels generally increase in the evening as a means of facilitating sleep and maintaining sleep. Therefore, the overproduction of prolactin in men during orgasm suggests a strong relationship between sex and fast sleep afterwards.

Some of the other substances synthesized during orgasm in men - vasopressin and oxytocin - have a stimulating effect on sleep. Their secretion is closely related to that of melatonin - the sleep hormone .

Scientists suggest that there are evolutionary causes for post-sexual drowsiness in men. It is known that men can achieve a series of orgasms in a short period of time , as long as they allow the body to recover between them. It is believed that falling asleep quickly after sex is a natural guarantee that the man will be able to recover as quickly as possible in order to satisfy his sexual urge again . If it is assumed that the acquisition of offspring is a major evolutionary goal of man, then the fastest possible entry into a form of new sexual contact is the optimal means to achieve it.


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