be sure to return it to him by sunset, so that he may sleep in his own cloak and bless you, and this will be credited to you as righteousness before the LORD your God.
KJV
In any case thou shalt deliver him the pledge again when the sun goeth down, that he may sleep in his own raiment, and bless thee: and it shall be righteousness unto thee before the LORD thy God.
ASV
thou shalt surely restore to him the pledge when the sun goeth down, that he may sleep in his garment, and bless thee: and it shall be righteousness unto thee before Jehovah thy God.