They were (1) verbal or plenary inspiration, (2) inspiration while under the influence of music, (3) inspiration by visions, (4) inspiration by dreams and (5) inspiration by trances.
... 19. Describe inspiration by dream. Give examples.
19 In addition to visions during hours of wakefulness, some persons, as Pharaoh, Daniel and Nebuchadnezzar, were given prophetic dreams, dreams inspired and hence unerring in meaning.