05-17-2007, 07:38 AM
As one sleeps one goes into dreamng.At first it takes awhile to dream.The nights first dreams are short{ few minutes).As sleep progresses dreaming comes quicker and lasts longer{30-45minutes}This usually peaks 3-6AM.Dreaming is associated with certain brainwave paterns, REM(rapid eye movement) and stimulation of the sympathetic and parasympathatic nervous systems.This stimulation causes an erection by dilating the vessels in the penis.This is why men wake up with an erection.Similarlly, after sex and this explosive energy release in the parasympathetic and sympathetic systems a man is in a deep relaxed state and will fall asleep.(Contrary to the theories put out by women) :lol:
This user is a merge of users with less than 5 posts or all posts in less than one week. Maybe the merged is more interesting than the original users.
Este usuario es una combinación de usuarios con menos de 5 mensajes o que escribió todo en menos de una semana. Quizá el usuario combinado resulte mas interesante que los usuarios originales.