Ruth 3:7

And his heart was merry Hebrew, יישׂב לבו, iitab, libbo, his heart was good, that is, cheerful and thankful for the plenty which the Lord had sent. He went to lie down at the end of the heap of corn In his clothes, doubtless; not going as usual to his house and bed, but reposing himself here, for the sake of taking a little temporary rest, probably on the straw in the floor where his corn had been winnowed, to secure it from thieves till it could be laid up in his garner. For such was the plain way of living in those ancient times, that the most wealthy persons looked after their own business, both in the field and at home. And she came softly

So that none perceived her, and, when he was asleep, lay down at his feet, in her clothes, which we have no reason to think she put off, as her intention was only to put him in remembrance of what the law required of him.