1 Samuel 30:12-13

12and they gave him a piece of a cake of figs and two clusters of raisins. And when he had eaten, his spirit revived, for he had not eaten bread or drunk water for three days and three nights.

13And David said to him, "To whom do you belong? And where are you from?" He said, "I am a young man of Egypt, servant to an Amalekite, and my master left me behind because I fell sick three days ago.