וְ֭הָיִיתָ כְּשֹׁכֵ֣ב בְּלֶב־יָ֑ם וּ֝כְשֹׁכֵ֗ב בְּרֹ֣אשׁ חִבֵּֽל׃
Yea, thou shalt be as he that lieth down in the midst of the sea, or as he that lieth upon the top of a mast.
Read kabbalistic (mystical) interpretation of Proverbs 23:34: and classical mystical sources.