We spoke of the Dajjal in the presence of the Prophet ﷺ when he was sleeping. He woke up, with his face red, and said: ʿThere is something else I fear more for you,ʿ and he mentioned something.
عَنِ النَّبِيِّ ﷺ قَالَ ذَكَرْنَا الدَّجَّالَ عِنْدَ النَّبِيِّ ﷺ وَهُوَ نَائِمٌ فَاسْتَيْقَظَ مُحْمَرًّا لَوْنُهُ فَقَالَ غَيْرُ ذَلِكَ أَخْوَفُ لِي عَلَيْكُمْ ذَكَرَ كَلِمَةً