Progress in examining dreams in Shakespeare's plays with modern scientific dream theories and techniques

Bending one’s eye on vacancy? Stage ghosts, Shakespeare and the question of visibility in English drama

“…Shakespeare clearly displays an inclination for associating ghosts with dreams, an inclination which goes well beyond ghosts, since he develops 29 dreams in 19 of his plays. 63 Shakespeare's ghostly dreams, as we have seen, are projections of emotions like fear or guilt, or both. He starts and ends with dream ghosts (Richard III, Cymbeline, Henry VIII) and the staging of ghosts in Julius Caesar and Macbeth encourages the psychological interpretation of their apparitions, not very different from what he first confined to dreams.…”