أَنْبَأَنَا أَبُو النَّضْرِ حَدَّثَنَا الْأَشْجَعِيُّ عَنْ شَيْبَانَ عَنْ جَابِرٍ عَنْ عَبْدِ اللَّهِ بْنِ نُجَيٍّ عَنْ عَلِيٍّ رَضِيَ اللَّهُ عَنْهُ عَنْ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ ذَكَرْنَا الدَّجَّالَ عِنْدَ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ وَهُوَ نَائِمٌ فَاسْتَيْقَظَ مُحْمَرًّا لَوْنُهُ فَقَالَ غَيْرُ ذَلِكَ أَخْوَفُ لِي عَلَيْكُمْ ذَكَرَ كَلِمَةً
مسند امام احمد بن حنبل · Hadith 765
It was narrated from 'Ali (RA) from the Prophet (PBUH): We spoke of the Dajjal in the presence of the Prophet (PBUH) when he was sleeping. He woke up, with his face red. and said: "There is something else I fear more for you," and he mentioned something.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020