nightmare; countable noun; a very frightening dream. ie; he had a nightmare
recurrent; adjective; a feeling or experience that has happened more than once.ie; he had a recurrent nightmare that always began and finished the same way.
sociopath; countable noun; a person with severe antisocial personality disorder, usually characterised by erratic behaviour and explosive fits of rage. ie; he had a recurrent nightmare that always began and finished in the same way in which the sociopath was exploding in a characteristic fit of rage.
haunting; adjective; sounds images or words that remain in the thought process because they are very beautiful or very sad. ie; he had a recurrent nightmare that always began and finished in the same way in which the sociopath was exploding in a characteristic fit of rage leaving him perpetually haunted.