1 Samuel 19:9-13

Now there was an evil spirit from the Lord on Saul as he was sitting in his house with his spear in his hand, and David was playing the harp with his hand.

And Saul tried to pin David to the wall with the spear, but he escaped from Saul’s presence, so that he stuck the spear into the wall. And David fled and escaped that night.

Then Saul sent messengers to David’s house to watch him, in order to put him to death in the morning. But Michal, David’s wife, informed him, saying, “If you do not save your life tonight, tomorrow you will be put to death!”

So Michal let David down through a window, and he went and fled, and escaped.

And Michal took the household idol and laid it on the bed, and put a quilt of goats’ hair at its head, and covered it with clothing.