My husband has been experiencing frequent nocturnal emissions lately. What could be the reason?

Patient's question:

Main symptoms: No special symptoms

Doctor's answer:

Hello
Ejaculation during sleep, also known as nocturnal emission, refers to the phenomenon of ejaculation occurring without sexual intercourse. Statistics show that 80% of men experience this phenomenon, with most instances occurring during sleep. The frequency of nocturnal emissions can vary from once every 1-2 weeks to once every 4-5 weeks, which is considered normal. However, if a man experiences several episodes of ejaculation within a week or multiple times in a single night, it may be classified as a pathological condition. The primary causes of nocturnal emissions are disruptions in the function of the cerebral cortex and spinal cord centers, as well as certain diseases affecting the reproductive system. The following are detailed explanations:
A. Psychological factors: Excessive sexual desire that cannot be restrained, especially sexual arousal caused by thoughts of eroticism before sleep, can stimulate the central nervous system involved in sexual activity for a prolonged period, leading to nocturnal emissions (e.g., frequent reading of erotic books or pictures, which can trigger such emissions).
B. Physical