hadith
4560
۞
Imam Ali (AS) said, Keeping vigil at night in the worship of Allah is the spring of the friends [of Allah] and the garden of the felicitous.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : سَهَرُ اللَّيْلِ في طاعَةِ اللّهِ رَبيعُ الأوْلياءِ وَرَوْضَةُ السُّعَداءِ