It was narrated from Rafi' bin Khadij that:The Prophet said: "Pray the Subh early, for indeed its reward is greater" or "your reward
Hadith No. 672
Sunan Ibn Majah
Gradings:
Al-Albani:
Hasan Sahih
Muhammad Fouad Abd al-Baqi:
Hasan Sahih
Shuaib Al Arnaut:
Sahih
Zubair Ali Zai:
Sahih