A little brisk exercise will keep the sandman away.
6 seconds sound clip from The Yogi Bear Show - Lullabye-Bye Bear (1959) - S01E23 TV Series.
You can hear this line at 00:03:07 in the Blu-ray version of the movie.
Quote context
[...]
- Now, you know the park rules.
- I have studied them and there is nothing covering a non-conformist bear.
- You better not give me any trouble.
- No trouble at all, sir. I merely intend havin' a ball. Yay-eeh!
- A little brisk exercise will keep the sandman away.
- Yes, sir. Circulate them red corpuscles.
- Now, hold the phone. I'll have to call you back, Joe. Sounds like that bear I was tellin' you about.
- Oh, boy!
[...]