the Prophet said: "Whoever prays the Subh then he is under the protection of Allah's covenant, so do not be treacherous with Allah in his covenant."
عَنِ النَّبِيِّ ﷺ قَالَ مَنْ صَلَّى الصُّبْحَ فَهُوَ فِي ذِمَّةِ اللَّهِ فَلاَ تُخْفِرُوا اللَّهَ فِي ذِمَّتِهِ