Why does my boyfriend wake up in the morning?

Morning erection is a phenomenon unique to men, normal men will erect three to five times at night, morning erection performance shows that male erectile function is normal, even if the patient has impotence, but also belongs to mild impotence, is likely to be caused by psychological factors. Morning erection indicates that the male penis metabolism function is normal, belonging to a physiological phenomenon. In order to prevent sexual dysfunction such as impotence and premature ejaculation, and prevent morning erection from disappearing, it is recommended that patients develop the habit of participating in physical exercise and maintain good living habits.