Call to Prayers (Adhaan) 
Bukhari :: Book 1 :: Volume 11 :: Hadith 596
Narrated 'Aisha:
The Prophet said, "Bilal pronounces the Adhan at night, so eat and drink (Suhur) till Ibn Um Maktum pronounces the Adhan."
Call to Prayers (Adhaan)
Bukhari :: Book 1 :: Volume 11 :: Hadith 596
Narrated 'Aisha:
The Prophet said, "Bilal pronounces the Adhan at night, so eat and drink (Suhur) till Ibn Um Maktum pronounces the Adhan."