The Book Pertaining to the Merits of the Companions (Allah Be Pleased With Them) of the Holy Prophet (May Peace Be Upon Him) (Kitab Al-Fada'il Al-Sahabah)
Muslim :: Book 31 : Hadith 5977
'A'isha reported Allah's Messenger (may peace be upon him) having said: I saw you in a dream for three nights when an angel brought you to me in a silk cloth and he said: Here is your wife, and when I removed (the cloth) from your face, lo, it was yourself, so I said: If this is from Allah, let Him carry it out.