‏الصلاة : Hadeeth No:1818 'A'isha reported: Two are the prayers which the Messenger of Allaah (sallAllaahu alayhi wa sallam) always observed in my house-openly or secretly-two rak'ahs before the dawn and two rak'ahs after the 'Asr....

‏الصلاة : Hadeeth No:1264 A'isha reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said: He who finds a prostration before sunset or at dawn (prayer) before the rising (of the sun) he Id fact finds that (prayer), and prostration implies a rak'ah....