(60) باب وَقْتِ رَكْعَتَىِ الْفَجْرِ وَذِكْرِ الاِخْتِلاَفِ عَلَى نَافِعٍ
It was narrated from Hafsah that:
The Prophet (ﷺ) used to pray the two rak'ahs of Fajr, two brief rak'ahs. (ES)
Reference (ES): Sunan an-Nasa'i 1765 (ES)
In-book reference (ES): Book 20, Hadith 168 (ES)
English translation (ES): Vol. 2, Book 20, Hadith 1766 (ES)