Fencing Wall Around a Flat Roof of the House

1. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Hisham ibn af-Hakam who has said the following: “Abu ‘Abd Allah عليه السلام, has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, prohibited sleeping on the flat roof without a safety fencing wall around it.’”