What vision does juliet have as Romeo leaving?

As Romeo prepares to depart after their wedding night, Juliet has a premonition of impending tragedy. She envisions Romeo lying dead on the ground, bleeding profusely. She believes she sees Tybalt's ghost urging Romeo to seek revenge. Juliet fears that their fate will be full of sorrow, and she expresses a heartrending plea to the sun not to rise, so that Romeo will not leave. She wants the night to last forever, keeping Romeo with her. Juliet's vision foreshadows the tragic events that will soon befall the star-crossed lovers.