Set 8 candles at N, NE, E, SE, S, SW, S, NW.
Concentrate on a picture of the person you want to cast upon.
Thing of what will occur in the dream.
Let the candles burn themselves out.
Match the candle color to the type of dream..
For instance: black of evil dreams, red for lustful dreams, white for good dreams, ect,.
Keep in mind that it's against the principles of the craft to do magic on someone without their approval, I've put this spell here because I think it's interresting and it might be a good way to affect your own dreams, but please keep in mind the rule of three.