 Why Sleeping Erection Happens?
There are two main reasons of sleeping erection. the pressure that the
filled bladder exerts over the muscles of penis or elicit the nerves to act for
erection and the relaxation that happens during sleep which promotes the
erection of penis. The second reason is more reliable in this case. Since the
nerves called Parasympathetic nerves that works during relaxation also produces
erection of penis.
A man always gets erection when he has relaxation and during mental
tension and anxiety, relaxation can’t be achieved hence erection could not
happen.
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