Final answer:
Friar Laurence is worried about Romeo because he has not slept.
Step-by-step explanation:
In Act 2, Scene 3 of Romeo and Juliet, Friar Laurence is worried about Romeo because he has not slept. He notices that Romeo seems restless and has been staying up all night. Friar Laurence expresses his concern for Romeo's well-being and advises him to moderate his passions for the sake of his health.
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