In the Torah, God simply stands beside Jacob in the dream (Genesis 28:13). The Targum Pseudo-Jonathan adjusts the posture with surgical care. What Jacob saw was not God Himself but the Yekara, the Glory of the Lord — and it stood above him.
The Aramaic paraphrase protects the Torah's theology. God does not literally stand next to a sleeping man on a hillside. What stands there is the manifest Presence, the radiant weight of God made visible for a single dream. The same Glory that would later fill the Tabernacle (Exodus 40:34) and the Temple (1 Kings 8:11) bent down over a fugitive asleep on stones.
Then the promise. I am the Lord the God of Abraham thy father, and the God of Izhak. Notice that Isaac is still alive when this is spoken. Isaac has thirty-six years of life remaining. Yet God already speaks of Abraham and Isaac as if both belong to the past, because the God of the patriarchs is the God of a covenant that cuts across generations. They are all already gathered in Him.
And the land — on which thou art lying. Every stone under Jacob's body is already his. The land is not distant, not future, not conditional. It is pressed against his ribs.
The takeaway: the covenant is not something you inherit at a ceremony. It is something you are already sleeping on, if you are a child of Abraham.