Wait, that yawning meant something. He was supposed to be doing something else... Ah! And it clicked back in his head.

"Wa-wa-wa-wait, kiddo, you need ta ge-get some sleep fi-first! Now I can te-tell yer tired." All that yawning was a dead give away!

"We'll g-g-go lookin' fer sunflower seeds a-a-after ya get some sleep, okay?"