Carol Morley, Asif Kapadia and Hossein Amini discuss the art of the dream sequence and why it might have gone to our heads. And Antonia asks them if they've ever dreamt up a scene for a movie they were writing, or whether a movie has ever entered their subconscious minds. And we reveal why nobody has ever had a dream like Gregory Peck in Hitchcock's classic Spellbound. Show less