‏الصيام : Hadeeth No:2400 Abdullah b. 'Umar (Allaah be pleased with both of them) reported: I heard the Messenger of Allaah (sallAllaahu alayhi wa sallam) as saying: Bilal announces Adhan during the night, so you eat and drink, till you hear the Adhan of Ibn Umm Maktum....

‏الإمارة : Hadeeth No:4664 A similar tradition has been narrated on the authority of al-A'mash....