إِنَّ نَاشِئَةَ ٱلَّيْلِ هِىَ أَشَدُّ وَطْـًٔا وَأَقْوَمُ قِيلًا

Inna nashi-ata allayli hiya ashaddu wat-anwaaqwamu qeela

Indeed, the hours of the night are more effective for concurrence [of heart and tongue] and more suitable for words.