The normal male penis also has an erection at night, about 2-6 times, call it a physiological erection, it is to maintain the blood circulation of the penis, it is a normal physiological phenomenon, but the patient often does not feel it. If you can feel the frequent erection of the penis, it is usually seen in the following cases: 1, adolescent puberty sexual urge, which is a common phenomenon in the process of sexual maturity, is due to the high secretion of testosterone, it is also a sign of normal pubertal development, do not worry too much. 2, during the day browse pornographic information or participate in certain activities during the day, the patient is too excited, at night there are related dreams, it will The patient may have frequent erections, and some may also have seminal emission. 3. Sleeping in pajamas or underwear that is too tight or too heavily pressed by the quilt stimulates the penis, resulting in repeated erections. 4. Some adults have frequent erections at night due to sexual repression caused by separation or being single. These situations are not recommended to use medication, it is a common phenomenon in life, as long as you shift your attention, reasonable rhythm of life, while understanding the correct knowledge of sex, change some bad habits, the symptoms can be cured naturally.