In role-playing games, metagaming is a term often used to describe players' use of assumed characteristics of the game.
Various factors can contribute to sleep terrors, such as: 1  Sleep deprivation and extreme tiredness. 2  Stress. 3  Fever (in children). 4  Sleeping in unfamiliar surroundings. 5  Lights or noise. 6  An overfull bladder.
Night terrors in children are distinctly different from the much more common nightmares. Night terror symptoms are frequent and recurrent episodes of intense crying and fear during sleep, with difficulty in arousing the child. Night terrors typically occur in children ages 3 to 12 years. An estimated 1% to 6% of children experience night terrors.