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.
Re: Non-Ejaculation. The only way I can see is in my eyes, and understand I am no doctor that a man can orgasm without ejaculation when masturbating and not during other acts is excess. When a man has a allot of sex in a short period of time, he may have a dry orgasm. It is possible, I think every man has had at least one.