(7) باب مَنْ نَامَ عِنْدَ السَّحَرِ
Narrated Al-Ashath:
He (the Prophet (p.b.u.h) ) used to get up for the prayer on hearing the crowing of a cock.
Reference: Sahih al-Bukhari 1132
In-book reference: Book 19, Hadith 13
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 21, Hadith 233