Men feel very tired after ejaculation, the cause of this phenomenon mainly includes the physical exertion of the sexual intercourse process and the high degree of nerve excitement.
1. Physical exertion during sexual intercourse: sexual activity itself is a kind of physical exertion, especially when it is carried out for a long time, the physical exertion is relatively large, so after ejaculation will feel very tired.
2. high nerve excitement: in the process of sexual activity due to high nerve excitement, the whole body muscle contraction, and in the ejaculation after the completion of this excitement quickly subside, the whole body muscle relaxation, will form a sense of fatigue.
These two cases need to pay attention to rest after the completion of sexual activity can be. However, if the patient is not relieved after resting or accompanied by symptoms such as soreness of the waist and knees, fatigue, mental depression, etc., it is necessary to consult a doctor in time.