slumber room
n.—Gloss: the room in a funeral home in which a body lies prior to visitation. «I work in a funeral home in Seattle. At the end of my shift, the embalmed corpse in its open casket takes no notice of me when I turn out the lights in the “slumber room.”» —“Exquisite Corpses” by Diana George The Stranger (Seattle, Washington) Oct. 26-Nov. 1, 2000. (source: Double-Tongued Dictionary)