John Wesley on 1 Samuel 26:7

Came - That is, to Saul's host. It might seem a bold and strange attempt; but it may be considered: That David had a particular assurance that God would preserve him to the kingdom. That he had a special instinct from God, to this work; and possibly God might inform him, that he had cast them into a deep sleep, that he might have this second opportunity of manifesting his innocency towards Saul.