Getting an erection easily when you wake up is referred to as a morning erection, which is generally a normal physiological phenomenon and need not worry too much.
Healthy men usually have 3 to 5 involuntary erections of the penis at night, and they just happen to feel an erection in the morning when they wake up, which is often referred to as morning erection. Generally men will have morning erections when they enter puberty or adulthood, but the exact mechanism has not yet been studied, and it is currently considered to be affected by age, disease, medication, mental factors, sleep, holding urine, and bad habits.
Morning erection is a sign of good male sexual function, it is a normal physiological phenomenon, no need to worry too much.
However, if the appearance of easy erection at the same time, the appearance of frequent sexual intercourse, repeated sexual urge corresponding clinical symptoms. Then there may be other related causes, such as hypersexuality, etc., at this time you need to consult the doctor in time to identify the cause, the cause of the treatment.