Rogets II: The New Thesaurus, Third Edition. 1995.
slumber
NOUN:
The natural recurring condition of suspended consciousness by which the body rests: sleep. Slang :shuteye. Idioms: land of Nod, the arms of Morpheus. SeeAWARENESS.
VERB:
To be asleep: sleep. Idioms: be in the land of Nod, catch some shuteye, sleep like a log (or rock) (or top) , sleep tight. SeeAWARENESS.