424
Hasan Sahih+3
Rafi' b. Khadij reported the Messenger of Allah (ﷺ) as saying:Offer Fajr prayer at dawn, for it is most productive of rewards to you or most productive of reward
Hasan SahihAl-Albani
Hasan SahihMuhammad Muhyi Al-Din Abdul Hamid
Sunan Abu DawudHadith 424