What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
A writer given to or skilled in personification, or in the representation of personal experience through the medium of a fictional character.
Mid 19th century; earliest use found in Robert Southey (1774–1843), poet and reviewer. From personificat- + -or, as though from the past participial stem of a Latin verb in -ficāre.