Matters that Suffice for Ghusl (bath) for al-’Ihram and Those Which Do Not Suffice

5. A number of our people have narrated from Sahl ibn Ziyad from Ahmad ibn Muhammad from Ali ibn abu Hamzah who has said the following: “I once asked abu al-Hassan عليه السلام, about a man who takes Ghusl (bath) for Ihram, then sleeps before assuming the state of Ihram. He (the Imam) said, ‘He is required to take Ghusl (bath) again.’”