They had entered the house while Ish-bosheth was lying on his bed, and having stabbed and killed him, they beheaded him, took his head, and traveled all night by way of the Arabah.
Jewish Publication Society of America Version (JPS1917) - 2 Samuel 4:7 >Now when they came into the house, as he lay on his bed in his bed-chamber, they smote him, and slew him, and beheaded him, and took his head, and went by the way of the Arabah all night.