The land upon which you lie, I will give to you… (28:13) Rashi states that G‑d folded up the entire land of Israel under Jacob’s head.⁴⁷9ab. This means that Jacob would not have to travel from place to place to retrieve his sparks, but could find them in his place.⁴⁸, that is, when a person concentrates on the letters of his Torah study and prayers, and knows how to cull out the sparks that fell in the “breaking of the vessels,” by means of these letters. Ben Poras Yosef, p. 18b

footnotes: ⁴⁷ Based upon the Talmud, Chulin ⁴⁸ See the Baal Shem Tov on parashat Toldos: Genesis 25:27. Rabbi Yaakov Yosef of Polnoye explains: “This is accomplished through da'at