Sunan Ibn Majah 672
سنن ابن ماجه#672SahihIt was narrated from Rafi' bin Khadij that:The Prophet said: "Pray the Subh early, for indeed its reward is greater" or "your reward
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih
Muhammad Fouad Abd al-BaqiHasan Sahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih
In-book reference: 2:6