In fact, seminal emission occurs in adolescents around 17-18 years old and is a normal phenomenon during puberty. In the adolescent puberty development, because the reproductive system is also gradually developed and mature, so the testes epididymis or the prostate gland these appendages, every moment in the production of sperm and semen, if accumulated to a certain extent after the pressure, in the case of sexual stimulation, or sexual organs by external stimulation, will produce unconscious ejaculation, and this ejaculation usually occurs during sleep. Most of the external stimuli are too tight shorts, too thickly pressed quilts, or too much mental stress, etc. This is the same as the proverbial sperm full of self overflow. This is the same as the common saying that the semen will flow out of the body when it accumulates to a certain level, and this semen loss will not produce any harm to the human body, some people think that this semen loss will hurt the vitality, which is harmful to health, but in fact there is no need. The actual fact is that as you get older, generally after you have a normal sexual life in your 20s, sperm loss will naturally disappear.