Complex sentence: When Ben returns home and blacks out again, he wakes up next to a shovel in the same spot in the yard, and as he begins to dig, Constance encourages him to stay with the house and to build something over that spot.
Split into simpler sentences: When Ben returns home he blacks out again, and wakes up next to a shovel in the same spot in the yard. As he begins to dig, Constance encourages him to stay with the house and to build something over that spot.