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.
Ejaculation is the release of semen from the penis at orgasm (sexual climax). When a man is sexually stimulated, the brain sends signals to the genital area through nerves in the spinal cord to make the pelvic muscles contract.