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.
What are Night Terrors? 1  The sleep disorder of night terrors typically occurs in children aged 3-12 years, with a peak onset in children aged 3Â½ years.  Sleep is divided into 2 categories: rapid eye movement (REM) and nonrapid eye movement (non-REM).