sleep terror disorder sleep talking • sleep together · · · Info · Definitions · Synonyms · Characters · · sleep terror disorder · · Text Common · · Latin · · Scripts 21 · · Length 6 · · Syllables Definitions · · · (noun) a disorder of sleep characterized by a dream of terrifying dimensions far worse than a typical nightmare; they occur during NREM sleep. Synonyms: sleep terror disorder, pavor nocturnus. · · Noun Definition 1 Synonyms · · · pavor nocturnus · · Synonym 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074