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.
At this time, there is no conclusive evidence that frequent ejaculation reduces the risk of prostate cancer. Some studies have suggested that men with a higher frequency of ejaculations may have a slightly lower risk of prostate cancer. However, this difference appears to be very small.