The Prophet said: "Pray the Subh early, for indeed its reward is greater" or "your reward." (Using translation from Ibn Mājah 672)
عَنِ النَّبِيِّ ﷺ قَالَ يَزِيدُ سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ أَصْبِحُوا بِالصُّبْحِ فَإِنَّهُ أَعْظَمُ لِلْأَجْرِ أَوْ لِأَجْرِهَا