I'll start with Peace at last by Jill Murphy:
...Baby Bear was not asleep either. He was lying in bed, pretending to be an aeroplane.
"NYAAOW!", went Baby Bear,
"NYAAOW! NYAAOW!"
"Oh NO", said Mr Bear,
I can't stand THIS."
So he said "SHUT UP, Baby Bear, and while you're at it, turn the light off, it's time for sleep, I don't want to hear a single sound from you anymore."