At night, when you go to bed, an erection may be normal, and if you experience a persistent erection that doesn’t weaken it may be the cause of an abnormality.
Nocturnal penile erection in men usually occurs during the period of rapid eye movement sleep. It may be due to the release of high central inhibition, parasympathetic nerve excitation, causing the cavernous body of the penis to appear congested, resulting in nocturnal erection of the male penis.
If it is a healthy male with normal sexual function, there will be different degrees of penile erection at night, usually lasts about 20-40 minutes, and may be more than three times a night, which is a normal physiological phenomenon.
If the use of large doses of testosterone and other drugs or the penis has thrombophilia, a sustained erection without weakness or erection with discomfort and other symptoms, is an abnormal situation, need to pay attention to.
The frequency and duration of nocturnal erections decreases to varying degrees with age. If you have an abnormal erection at night, you should seek medical advice, follow the doctor’s instructions for relevant examinations, clarify the cause with the doctor’s help, and carry out targeted treatment or therapy.