Mishkat al-Masabih
He reported the Prophet (ﷺ) as saying, "Hasten to pray a witr before morning.” Muslim transmitted it.
وَعَنِ ابْنِ عُمَرَ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «بَادرُوا الصُّبْح بالوتر» . وَرَاه مُسلم
Reference
He reported the Prophet (ﷺ) as saying, "Hasten to pray a witr before morning.” Muslim transmitted it.
وَعَنِ ابْنِ عُمَرَ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «بَادرُوا الصُّبْح بالوتر» . وَرَاه مُسلم
Reference