Ruth 3:3-4

3So wash yourself carefully. Put some perfume on yourself. Put on your best clothes. Then go down to the threshing floor. Do not let Boaz know that you are there. Wait quietly until he has finished his food and drink.

4After that, he will lie down to sleep. Then you will see where he is lying. Go and lift the cloth from over his feet. Lie down there. Then he will tell you what you should do.’