What premonition does Romeo have in scene 1 lines 1-8? How is his premonition ironic?

Answer: At his cell, Friar Lawrence speaks with Friar John, whom he had earlier sent to Mantua with a letter for Romeo. He asks John how Romeo responded to his letter (which described the plan involving Juliet's false death). Juliet is concerned that she will not get to have her wedding night with Romeo.

He dreams that somebody was going to bring joyful news soon, and that Juliet will find him dead and kiss him to bring him back to life.