I can understand Jacob sending his family and possessions across the stream and needing some time alone, to reflect upon how he had once crossed this place with only his staff, and how the Lord had blessed him since that time with a large family and great possessions. What's up with the wrestling, though?! That seems like a bizarre addition to the night's symbolism as Jacob prepares to return home. Let's read the rest of this account:
"The sun rose above him as he passed Peniel, and he was limping because of his hip.