Final answer:
The coordinating conjunction in the sentence is 'so' which connects the idea of Lord Farquaad needing to get up early tomorrow with the consequence of him going to bed now.
Step-by-step explanation:
The coordinating conjunction in the sentence is so. Coordinating conjunctions are used to connect two equal elements or ideas in a sentence. In this case, the conjunction 'so' connects the idea of Lord Farquaad needing to get up early tomorrow with the consequence of him going to bed now.
Learn more about Coordinating conjunctions in English grammar