doze vs seek one's virtuous couch

doze

verb

To sleep lightly or briefly; to nap, snooze.
To bulldoze.
To make dull; to stupefy.

noun

A light, short sleep or nap.

seek one's virtuous couch

verb

To go to bed: to lie down to sleep.

How often have the words doze and seek one's virtuous couch occurred in a corpus of books? (source: Google Ngram Viewer )