You can still listen to BBC iPlayer Radio via your browser by visiting bbc.co.uk/radio
5/5 Lucy Powell asks if Freud was right about dreams.
4/5 Lucy Powell explores the fear and loathing, as Romantic dreams turn to nightmares.
3/5 Lucy Powell explores the dangers of erotic and political dreams in the Renaissance.
2/5 Lucy Powell returns to the great mystical dreamers of the Middle Ages.
1/5 Lucy Powell returns to the gods and ghosts of the ancient Greeks.