Sahih al-Bukhari
Sahih al-Bukhari 1132b
Sleeping in the last hours of the night
Arabic hadith text
حَدَّثَنَا مُحَمَّدُ بْنُ سَلاَمٍ قَالَ أَخْبَرَنَا أَبُو الأَحْوَصِ عَنِ الأَشْعَثِ قَالَ إِذَا سَمِعَ الصَّارِخَ قَامَ فَصَلَّى
Translation
Narrated Al-Ashath
He (the Prophet (p.b.u.h) ) used to get up for the prayer on hearing the crowing of a cock.