1 Samuel 19:22-24

22Finally, he himself left for Ramah and went to the great cistern at Seku. And he asked, “Where are Samuel and David?” “Over in Naioth at Ramah,” they said.

23So Saul went to Naioth at Ramah. But the Spirit of God came even on him, and he walked along prophesying until he came to Naioth.

24He stripped off his garments, and he too prophesied in Samuel’s presence. He lay naked all that day and all that night. This is why people say, “Is Saul also among the prophets?”