A description of the bed itself begins in verse 9. You could use words in your language that show that this is background information. (See: [[rc://en/ta/man/translate/writing-background]])
The abstract noun "terrors" is a metonym for evil people who frighten others by attacking them. AT: "evil people who attack others at night" (See: [[rc://en/ta/man/translate/figs-abstractnouns]] and [[rc://en/ta/man/translate/figs-metonymy]])