If they could influence God or a good patron through prayers, they can gain some control and get more for their needs. If all peoples have the same father, then they are all brothers and sisters. Hallowed be your name. The true nature of God's name or identity would be revealed when evils no longer defile God's creatures, including our hearts and minds. Our life, both body and soul, depends on God for basic nourishment.
Mediterranean custom obliges hospitality to people who pass by the village.
So the one who did not get out of bed also should share that obligation. To protect his honor, he must get up to fulfill his part to the obligation. One Main Point Jesus teaches us how to pray and live according God's rule of love. The new Catechism has a lengthy section on this prayer.