(27) CHAPTER. To offer two Rakat (Sunna) before the Fajr prayer and whoever called them Nawafil.
Narrated `Abdullah bin `Umar Abu: I offered with Allah's Apostle a two rak`at prayer before the Zuhr prayer and two rak`at after the Zuhr prayer, two rak`at after Jumua, Maghrib and `Isha' prayers.
Authentic