Sleeping spermatorrhea may be a normal physiological phenomenon, but also may be physical factors, mental psychological factors, organic lesions and other factors related. 1. Normal physiological phenomenon: men do not have a normal sex life, there is no masturbation, too much semen in the seminal vesicles, there will be physiological spermatorrhea, usually there are no other clinical symptoms, do not need to carry out special treatment. 2. Physical factors: for example, wearing underwear that is too tight or excessive pressure on the genital area during sleep can also lead to seminal emission during sleep at night, which may be more frequent. 3. Psychological factors: for example, men in the daytime there is excessive sexual fantasy, or the existence of neurasthenia, may lead to frequent spermatorrhea at night. 4. Organic lesions: for example, prepuce glans, prostatitis, etc., may make the genitals localized congestion and edema, so that the penis is stimulated, will cause frequent spermatorrhea, may also be accompanied by perineal distension and pain, frequent urination, urinary urgency, glans itching, tingling and other symptoms. Men who suffer from frequent seminal emission during sleep, after excluding physiological factors, are advised to seek timely medical examination and treatment to avoid affecting the health of the reproductive system.