حَدَّثَنَا حُجَيْنُ بْنُ الْمُثَنَّى حَدَّثَنَا إِسْرَائِيلُ عَنْ عَبْدِ الْأَعْلَى عَنْ أَبِي عَبْدِ الرَّحْمَنِ عَنْ عَلِيٍّ رَضِيَ اللَّهُ عَنْهُ قَالَ كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يُوَاصِلُ إِلَى السَّحَرِ
مسند امام احمد بن حنبل · Hadith 700
It was narrated that 'Ali (RA) said: The Messenger of Allah (PBUH) used to continue his fast until before dawn.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020