Sahih al-Bukhari #1132.2 · Prayer at Night (Tahajjud)

Sahih al-BukhariAl-Ashath
Sahih al-Bukhari · Book 19 · Prayer at Night (Tahajjud)
Sahih al-Bukhari · كتاب 19 · كتاب التهجد
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
Reference : Sahih al-Bukhari 1132.2In-book reference : Book 19, Hadith 13