RichThesaurus
nod off
vs
seek one's virtuous couch
nod off
verb
To fall asleep, especially unintentionally.
seek one's virtuous couch
verb
To go to bed: to lie down to sleep.
How often have the words
nod off
and
seek one's virtuous couch
occurred in a corpus of books?
(source:
Google Ngram Viewer
)