73:6
إِنَّ نَاشِئَةَ ٱلَّيْلِ هِىَ أَشَدُّ وَطْـًۭٔا وَأَقْوَمُ قِيلًا ٦
Saheeh International
Indeed, the hours of the night are more effective for concurrence [of heart and tongue] and more suitable for words.
73
Surah Al Muzzammil Ayah 6
Ayah-20, Makkah