After Boaz had finished eating and drinking and was in good spirits, he went to lie down at the end of the heap of grain. Then Ruth went in secretly, uncovered his feet, and lay down.
KJV
And when Boaz had eaten and drunk, and his heart was merry, he went to lie down at the end of the heap of corn: and she came softly, and uncovered his feet, and laid her down.
ASV
And when Boaz had eaten and drunk, and his heart was merry, he went to lie down at the end of the heap of grain: and she came softly, and uncovered his feet, and laid her down.