حَدَّثَنَا أَحْمَدُ بْنُ عَبْدَةَ، حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ أَنَسِ بْنِ سِيرِينَ، عَنِ ابْنِ عُمَرَ، قَالَ كَانَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ يُصَلِّي مِنَ اللَّيْلِ مَثْنَى مَثْنَى. وَيُوتِرُ بِرَكْعَةٍ ‏.‏

AbuMijlaz narrated that Ibn ‘Umar said

“The Messenger of Allah(ﷺ) said: ‘Night prayers are to be offered two by two, and Witrisone Rak’ah.’ I said: ‘What do you think if I become drowsyand I wantto sleep?’ He said: ‘Put “what do you think” upthere with that star?(i.e., don’t think about it at all).’ Iraised my head and saw As-Simak.* He repeated that the Messenger ofAllah (ﷺ) said, ‘Nightprayers are to be offered two by two, andWitr is one Rak’ah, beforedawn.’”* Here, As-Simak refers to a star or stars, either Arcturus (As-Simak Ar-Ramih) or Spica,also called Alpha Virginis (As-Simak Al-A'zal).