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 typically occur in children between the ages of three to twelve years, with a peak onset in children aged three and a half years old. An estimated one to six percent of children experience night terrors. Boys and girls of all backgrounds are affected equally.