But I had my wand hidden up my sleeve," he assured Padma Patil,... [Ron revising the story in the 2nd task, of how he escaped the merpeople] ... "I could've taken those mer-idiots any time I wanted."

"What were you going to do, snore at them?" said Hermoine waspishly.

...

Ron's ears went red, and thereafter, he reverted to the bewitched sleep version of events.