If the seminal emission occurs twice a night if only occasionally, the physiological possibility of long-term abstinence is large, do not worry. If it occurs frequently, it is considered to be the presence of prostate inflammation, urinary tract infection, kidney deficiency, circumcision, etc. Sexual stimulation during the day or before bedtime causes overexcitement of the nerves in the brain, which can also indirectly lead to seminal emission. The long foreskin will cause the urine to be stored when urinating to breed bacteria causing infection, but also make the glans unable to be exposed, its sensitivity increases, the number of involuntary ejaculation at night increases, it is recommended that the treatment effect be achieved by surgically removing the long foreskin.