What is the reason why men have nocturnal emission while sleeping?

It is normal for adult men to have nocturnal emission, but ejaculating while sleeping still confuses many people. So, what is the reason for men to have nocturnal emissions while sleeping?

  Nocturnal emission is a type of spermatorrhea, which refers to ejaculation without sexual intercourse or masturbation. Nocturnal emission when dreaming after falling asleep is called nocturnal emission, nocturnal emission when not dreaming is called dreamless nocturnal emission, and nocturnal emission when awake is called spermatorrhea. Traditional Chinese medicine considers it a disease and is the name of a disease in traditional Chinese medicine.

  Semen is composed of sperm and seminal plasma. Sperm is produced by the testicles, and seminal plasma is a mixture of fluids secreted by the prostate, seminal vesicles, and bulbourethral glands. In addition to most of the water, semen also contains some protein, fat, enzymes, etc. A normal adult ejaculates about 2-6 ml at a time. Nocturnal emission can occur during sleep. The content of the dream may be related to sex or may have nothing to do with sex. When you wake up, the semen has already overflowed. This phenomenon is called nocturnal emission.


Wet Dream
Wet Dream

  Nocturnal emission is a type of spermatorrhea. Infrequent nocturnal emission is a normal phenomenon, so infrequent nocturnal emission is not a disease. However, since nocturnal emission is often accompanied by waking up from a dream, the mind is relatively tense and it is easy to form a psychological burden, and symptoms such as insomnia, headache, dizziness, listlessness, poor appetite, fatigue and weakness appear. This is “spermatorhea disease”. If this happens, don’t be burdened by your thoughts, participate in more cultural and sports activities, adjust your regular life, disperse your energy, avoid reading pornographic novels before going to bed, build up confidence, and be able to heal yourself. Otherwise, you should go to a doctor for treatment.


  Pathological spermatorrhea is more common in the middle-aged and elderly, or those with congenital physical deficiencies. People with dull complexion, fatigue, heavy smoking, excessive drinking, overeating, obesity or weakness, frequent masturbation, excessive sexual intercourse, and sexual dissatisfaction. Frequent spermatorrhea, some at night, or spontaneous ejaculation when awake, with small and thin semen, weak erection of the penis, or no erection at all, mental fatigue, soreness of waist and knees, tinnitus, dizziness, and physical weakness after spermatorrhea.

  It is mainly caused by the dysfunction of the cortical center and spinal cord center, as well as certain diseases of the reproductive system, which are described as follows:

  A. Mental factors: due to excessive sexual desire and inability to restrain, especially sexual excitement caused by sexual thoughts before sleep, long-term stimulation of the central nervous system of sexual activity, it is very easy to induce nocturnal emission. (For example, excessive attention to sexual issues, extreme sensitivity to sexual stimulation, too close contact with the opposite sex, watching pornographic books or watching sexually stimulating scenes in movies.)

  B. Physical factors: The functions of various organs are not sound enough, such as the cerebral cortex is not fully functional, which loses control of the lower sexual center, and the excitability of the erection center and ejaculation center increases, which can also cause nocturnal emission. (After intense physical or mental work, the body is tired, the sleep is deep, and the activity of the subcortical center is strengthened, which can also easily induce nocturnal emission.)

  C. Local lesions: Local lesions of the sexual organs or urinary system. Such as phimosis, prepuce, urethritis, prostatitis, seminal vesiculitis, epididymitis, etc. These lesions can stimulate the sexual organs and cause nocturnal emission.


  Men generally experience nocturnal emissions after reaching puberty. In modern society, it is normal for the first nocturnal emission to occur between the ages of 11 or 12 and 15 or even 16. Nocturnal emissions are a sign of sexual maturity in men. The so-call “overflowing semen”. Which is caused by excessive accumulation of semen, so it is also called overflowing semen, and is a physiological phenomenon. Nocturnal emissions mostly occur during sleep and are a type of ejaculation without sexual activity. Statistics show that more than 80% of unmarried men have experienced nocturnal emissions, generally 2 to 3 times a month. As long as the body and mind are healthy. There will generally be no adverse effects, but you must be careful not to have any psychological burden.

  Physiological spermatorrhea is more common in young and middle-age people who are unmarried or separate after marriage. Healthy people who are energetic, easily excited, or tired and nervous usually have spermatorrhea once every two weeks or longer. With large spermatorrhea and thick semen. During spermatorrhea, the penis erection function is normal and there are no other symptoms. (Sleeping on the stomach, using a thick, heavy, or warm quilt in winter. Which causes the external genitalia to be compress, rubbed, or stimulated. Wearing tight clothes and pants, which constrain and squeeze the erect penis, can easily lead to an increase in the number of spermatorrhea.)

  It is normal for men to have nocturnal emissions two or three times a month. As long as they don’t have frequent nocturnal emissions, there is no need to worry about harm to your health.

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