904. hadíth
906 - وَ كَانَ بِلاَلٌ يُؤَذِّنُ بَعْدَ اَلصُّبْحِ فَقَالَ اَلنَّبِيُّ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ «إِنَّ اِبْنَ أُمِّ مَكْتُومٍ يُؤَذِّنُ بِاللَّيْلِ فَإِذَا سَمِعْتُمْ أَذَانَهُ فَكُلُوا وَ اِشْرَبُوا حَتَّى تَسْمَعُوا أَذَانَ بِلاَلٍ.
Hadith.906 - Bilal used to call to prayer after the morning (Fajr), and The Prophet (sw) said: "Indeed, Ibn Umm Maktum calls to prayer during the night, so if you hear his adhan, eat and drink until you hear the adhan of Bilal."