Hai Collection, Upper Volume Radical: Ghost (guǐ) Entry: Night terror Kangxi Stroke Count: 24 Page 1463, Entry 01 Pronounced yan (rising tone) According to the Discussion of Texts (Shuowen), it refers to being startled in a dream. According to the Categorized Compendium (Leipian), it refers to an inauspicious state during sleep. Also pronounced ya (falling tone). The meaning is the same. It is sometimes written in the variant form ya.