IBNMAJAH 3901: from Abū Hurayrah —
“Whoever sees me in a dream has (really) seen me, for Satan cannot appear in my form.”

ابن ماجة ٣٩٠١: عن ابو هريره —
قَالَ رَسُولُ اللَّهِ ﷺ مَنْ رَآنِي فِي الْمَنَامِ فَقَدْ رَآنِي فَإِنَّ الشَّيْطَانَ لاَ يَتَمَثَّلُ بِي


Sound (ʿAli Zaʾī)
Ibn Mājah > Interpretation of Dreams > § Seeing the Prophet ﷺ in a Dream
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