Funniest thing I ever saw in a premium cabin was a tot travelling with her dad in First from Vancouver to London.

Moppet was an absolute angel, sat and ate her dinner and settled down to sleep - as did Daddy.....

An hour or so later, the rest of the cabin was being kept awake by daddy's thunderous snores, and the moppet sat up, and belted him (hard) with her Barbie doll saying "shut up daddy!" - absolutely priceless!