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.
Children usually experience night terrors between the ages of 18 months and six years. Children grow out of night terrors as they develop more mature forms of deep sleep. night terror is when your child suddenly becomes very agitated while in a state of deep sleep. A night terror can last from a few minutes up to 40 minutes.