Sperm are absorbed by the body if they are not ejaculated. A Man's Reproductive System Wet dreams often come as a surprise. Most boys and men have wet dreams. This happens if they get erections and ejaculate during their sexual dreams. These dreams leave them wet or sticky around their bellies and penises.
Some boys never have wet dreams.
Dreams or no dreams - both are normal. As Girls Become Women Girls and women have orgasms during sexual dreams. Women and girls become sexually excited by sexual thoughts and dreams or sex play with themselves or another person. Their vaginas become wet, their clitorises become erect, and if they become very sexually excited, they may have orgasms or a series of orgasms. In some women, a clear fluid spurts out of the urethra during sexual excitement or orgasm.