In the play Macbeth by William Shakespeare, the following people get killed: the traitor MacDonwald ("unseamed from his nave to his chaps" in a battle), the traitor Cawdor (executed), King Duncan...
Of course, Lady Macbeth has her famous sleepwalking scene in which she not only walks but talks in her sleep. It is clear that she is disturbed and unable to sleep properly. Indeed it is a recurring...