Sahih al-Bukhari, Book 19, Hadith 13 (In-Book)

Narrated Al-Ashath: He (the Prophet (p.b.u.h) ) used to get up for the prayer on hearing the crowing of a cock.

حَدَّثَنَا مُحَمَّدُ بْنُ سَلاَمٍ قَالَ أَخْبَرَنَا أَبُو الأَحْوَصِ عَنِ الأَشْعَثِ قَالَ إِذَا سَمِعَ الصَّارِخَ قَامَ فَصَلَّى‏.

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