Surah Al-Isra Verse 79 - English Translation by Dr Kamal Omar
Surah Al-Israوَمِنَ ٱلَّيۡلِ فَتَهَجَّدۡ بِهِۦ نَافِلَةٗ لَّكَ عَسَىٰٓ أَن يَبۡعَثَكَ رَبُّكَ مَقَامٗا مَّحۡمُودٗا
And in some part of the night also Tahajjud (wake up) with it (for the sake of reciting it in Prayer and mahead of state its study to understand it), as a super-erogatory service for you. It could be that your Nourisher-Sustainer raises you to Maqaman Mahmuda [an exalted position (here and in the Hereafter]