Sahih Bukhari Volume 4, Book 61, Hadith 3623

فَأَخْبَرَنِي أَبُو هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ بَيْنَمَا أَنَا نَائِمٌ رَأَيْتُ فِي يَدَىَّ سِوَارَيْنِ مِنْ ذَهَبٍ، فَأَهَمَّنِي شَأْنُهُمَا، فَأُوحِيَ إِلَىَّ فِي الْمَنَامِ أَنِ انْفُخْهُمَا، فَنَفَخْتُهُمَا فَطَارَا فَأَوَّلْتُهُمَا كَذَّابَيْنِ يَخْرُجَانِ بَعْدِي ‏"‏‏.‏ فَكَانَ أَحَدُهُمَا الْعَنْسِيَّ وَالآخَرُ مُسَيْلِمَةَ الْكَذَّابَ صَاحِبَ الْيَمَامَةِ‏

Abu Huraira told me that Allah's Apostle; said, "While I was sleeping, I saw (in a dream) two gold bracelets round my arm, and that worried me too much. Then I was instructed divinely in my dream, to blow them off and so I blew them off, and they flew away. I interpreted the two bracelets as symbols of two liars who would appear after me. And so one of them was Al-Ansi and the other was Musailama Al-Kadhdhab from Al-Yamama."