"Simulation Sex Toy in person during sleep, both men and women, the body will often enter a state of sexual excitement, and sometimes as many as four or five times a night. During this time, people are likely to do with the sex-related dreams, each lasting 20-25 minutes. Higher "Simulation Sex Toy" dreaming process, blood flow to the genitals, the male will erectile female vagina is moist, women in this situation by the chance of the period. We intimacy with the opposite sex in their sleep, even dream of sexual intercourse with the opposite sex as "sex dream." Psychologists believe, "Simulation Sex Toy" is a normal physiological and psychological signs. The reason it happens from the physical side, because after asleep, people self-repressed sexuality daytime temporarily disappear, instinctive sexual desire has been released. Psychologically, the people around him, including loved ones, because they are most familiar with, it will usually be the release of sexual repression