Give not sleep to thine eyes, nor slumber to thine eyelids.
Give not sleep to thine eyes, nor slumber to thine eyelids - before that thou hast released thyself from the obligation (cf. the phrase Psalms 132:4).
Related Commentaries of Proverbs 6:4
Proverbs 6:4
4 Give not sleep to thine eyes, nor slumber to thine eyelids.