Allah's Messenger (peace and blessings of Allah swt be upon him) never missed four
Rakat before the Zuhr prayer and two Rakat before the Fajr prayer.
Bukhari Vol. 2: No. 276
The Hadith (الحديث, pl. Ahadith) is a body of laws, legends and stories about Muhammad's way of life, (Arabic, Sunnah which includes his biography or the sira) and the sayings themselves where he elaborated on his choices or offered advice; many parts of the Hadith deal with his companions (Sahaba).