That He may cut off a portion from among those who disbelieve, or abase them so that they should return disappointed of attaining what they desired.
11:114 وَأَقِمِ ٱلصَّلَوٰةَ طَرَفَىِ ٱلنَّهَارِ وَزُلَفًا مِّنَ ٱلَّيْلِ إِنَّ ٱلْحَسَنَٰتِ يُذْهِبْنَ ٱلسَّيِّـَٔاتِ ذَٰلِكَ ذِكْرَىٰ لِلذَّٰكِرِينَ
And keep up prayer in the two parts of the day and in the first hours of the night; surely good deeds take away evil deeds this is a reminder to the mindful.
20:130 فَٱصْبِرْ عَلَىٰ مَا يَقُولُونَ وَسَبِّحْ بِحَمْدِ رَبِّكَ قَبْلَ طُلُوعِ ٱلشَّمْسِ وَقَبْلَ غُرُوبِهَا وَمِنْ ءَانَآئِ ٱلَّيْلِ فَسَبِّحْ وَأَطْرَافَ ٱلنَّهَارِ لَعَلَّكَ تَرْضَىٰ
Bear then patiently what they say, and glorify your Lord by the praising of Him before the rising of the sun and before its setting, and during hours of the night do also glorify (Him) and during parts of the day, that you may be well pleased