Ruth 3:6-9

So she went down to the threshing floor and did everything her mother-in-law told her to do. When Boaz had finished eating and drinking and was in good spirits, he went over to lie down at the far end of the grain pile. Ruth approached quietly, uncovered his feet and lay down. In the middle of the night something startled the man; he turned—and there was a woman lying at his feet! “Who are you?” he asked. “I am your servant Ruth,” she said. “Spread the corner of your garment over me, since you are a guardian-redeemer of our family.”