How often is nocturnal emission considered normal?

Nocturnal emission (or “spermatorrhea”) refers to ejaculation occurring without sexual intercourse or masturbation. When it occurs during sleep accompanied by dreams, it is termed “nocturnal emission with dreams”; when it occurs during sleep without dreams, it is called “nocturnal emission without dreams”; and when it occurs while fully awake, it is referred to as “spontaneous emission.”

In healthy individuals—particularly those who have not engaged in sexual activity—occasional spontaneous emission is a normal physiological phenomenon. Typically, having one episode every two weeks—or even less frequently—does not cause any physical discomfort.

In sexually active men, however, frequent emissions—such as several times per week or even multiple times per night—or emissions triggered solely by sexual arousal may indicate pathological spermatorrhea. Psychological factors are a common cause—for instance, inadequate sexual knowledge or excessive preoccupation with sexual matters may lead to persistent cortical excitation, thereby triggering emissions. In such cases, timely medical evaluation and consultation are recommended.

After experiencing spermatorrhea, individuals should maintain a positive and balanced mindset, cultivate healthy lifestyle habits, avoid frequent exposure to pornographic literature or films, engage more actively in social interactions, foster an optimistic and proactive outlook, and pay attention to personal hygiene—including regular changes of undergarments and frequent bathing.