Writing in the Accident Analysis and Prevention journal, a team from Tampere Institute of Technology reveals the results of a study in which 6000 people were asked if they had actually had any kind of accident - or had nearly had an accident - while using a mobile.
  yes. they are called wet dreams. when a man sleeps hes usually dreams about sex, so when you have sex you ejaculate in there dream they are having sex.
Actually, there are a lot of men who face the problem of excessive nocturnal emission or nightfall. What is the cause of wet dreams in men: There are several theories regarding the causes of wet dream or night emission. One theory is that uncontrolled erection and ejaculation during sleep is associated with erotic sexual dreams. Excessive masturbation is also believed to contribute to the occurrence of wet dreams.