[Abu Musa], Abdullah menulis surat kepada Abu Musa dalam rangka menanyakan kepadanya tentang beberapa hal. Maka Abu Musa menulis surat kepadanya (sebagai jawaban), sesungguhnya saya pernah bersama Rasulullah shallallahu 'alaihi wasallam pada suatu hari, lalu beliau ingin buang air kecil, maka beliau mendatangi tempat yang bertanah Fasting (Kitab Al-Siyam) Sunan Abi Dawud 2313. Narrated Abdullah ibn Abbas: Ibn Abbas explained the following Qur'anic verse: "O ye who believe! fasting is prescribed for you as it was prescribed for those before you" During the lifetime of the Prophet (ﷺ), when the people offered night prayer, they were asked to abstain from food and IPsuMEj.