1, the definition of nocturnal emission is: it is called "nocturnal emission" biologically, that is, when a man reaches puberty, the testis continuously secretes a large amount of androgen, and at the same time produces a large amount of sperm, which forms semen together with seminal plasma. Sperm and seminal plasma are constantly produced and accumulated in the vas deferens.

2. When semen reaches a certain saturation state, it will be excreted through spermatorrhea. As the saying goes, "when it is full, it will overflow." Sperm overflow is usually a normal physiological phenomenon, so don't worry too much. However, if nocturnal emission occurs frequently or too many times, some factors may need to be considered.

3. For example, underwear is too tight, foreskin is too long, urogenital system inflammation and so on. The following are some factors that may lead to spontaneous emission of nocturnal emission: Tight underwear: Tight underwear will stimulate reproductive organs and may lead to nocturnal emission. Too long foreskin: too long foreskin is easy to breed bacteria, cause inflammation, and lead to an increase in the number of nocturnal emission.

4, genitourinary system inflammation: If you have prostatitis, seminal vesiculitis, urethritis and other genitourinary system inflammation, you may have too many nocturnal emission. Hormone level: If the androgen level in the body is too high, it may lead to an increase in the number of nocturnal emission. Psychological stress: excessive psychological stress may lead to an increase in the number of nocturnal emission.

5, the foreskin is too long: the foreskin is too long to breed bacteria, causing inflammation, leading to an increase in the number of nocturnal emission. Inflammation of genitourinary system: If you have inflammation of genitourinary system such as prostatitis, seminal vesiculitis and urethritis, it may be excessive nocturnal emission.

6, foreskin balanitis: foreskin balanitis is an inflammation that occurs in the foreskin and glans of the penis. Due to the stimulation of inflammation, it will cause itching, pain, frequent urination and urgency of the glans penis. Semivesiculitis: Semivesiculitis is an inflammation caused by bacterial infection, which will lead to excessive semen secretion, thus increasing the number of nocturnal emission.

7, urethritis: urethritis is an inflammation caused by bacterial infection of the urethra, which will lead to a large number of secretions in the urethra, thereby increasing the number of nocturnal emission.