وَعَنْهَا قَالَتْ: «مِنْ كُلِّ اَللَّيْلِ قَدْ أَوْتَرَ رَسُولُ اَللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فَانْتَهَى وِتْرُهُ إِلَى اَلسَّحَرِ» مُتَّفَقٌ عَلَيْهِمَا
The Messenger of Allah (sallallahu alayhi wa sallam) offered Witr prayer (on different nights) at various hours, extending (from the Isha prayer) up to the last hour of the night.
Bulugh al-Maram 459, Book 2, The Book of Prayer, Hadith 280. 1 min read