Sa'id bin Abi Ayoub سعيد بن أبي أيوب الخزاعي · Chapters On Dreams

"Dreams are of three types: The true dream, dreams about something that has happened to the man himself, and dreams in which the Shaitan frightens someone. So whoever sees what he dislikes, then he should get up and perform Salah." And he would say: "I like fetters and I dislike the iron collar." And he would say: " Whoever has seen me (in a dream) then it is I , for indeed Shaitan is not able to resemble me." And…

"One day the Prophet (s.a.w) said: "'Who among you had a dream?' A man said: "I did. I saw as if a scale had descended from the Heavens in which you and Abu Bakr were weighed So you outweighed Abu Bakr. Abu Bkar and 'Umar were weighed, and Abu Bakr outweighed ('Umar). 'Umar and 'Uthman were weighed and 'Umar outweighed ('Uthman). Then the scale was raised up.' Then I saw dislike in the the face of Messenger of Allah (s.a.w)."