Ma'am, that's not the reason he's sleepy.
4 seconds sound clip from the Yogi's First Christmas (1980) movie soundboard.
You can hear this line at 00:49:39 in the Blu-ray version of the movie.
Quote context
[...]
- How about that? Yogi did it. Fantastical, miraculous. Good, even.
- Thanks to Yogi. You've saved me again. I wanna thank Yogi personally.
- He won't hear you, ma'am. He's fast asleep.
- Oh, poor thing. He wore himself out rescuing me.
- Ma'am, that's not the reason he's sleepy.
- Never mind. Take him to the lodge, and put him to bed.
- Anyone for cross-country skiing? Yeah, that's a good idea. Yeah, that's for me.
- We'll ski through Jellystone Park. Mush.
- Oh, golly, Cindy, that's a cute hat.
[...]