Jami' at-Tirmidhi #1162
Hasan (Good)
Night Prayer
عَلَيْكُمْ بِقِيَامِ اللَّيْلِ فَإِنَّهُ دَأْبُ الصَّالِحِينَ قَبْلَكُمْ وَقُرْبَةٌ إِلَى رَبِّكُمْ
The Messenger of Allah (ﷺ) said: 'Observe night prayer (qiyam al-layl), for it was the practice of the righteous before you and it is a means of nearness to your Lord.'
Chain of Narration (Isnad)
Narrated Abu Umamah al-Bahili