I know the difference between chatty/playful meows and "I'm scared" meows for my lot. I'll sleep through the first, but the second rips me out of my sleep. I can't sleep for shit through thunderstorms anymore because one gets absolutely terrified and fearcries.
cat pawing a glass with a bit of water in on my desk it that she suddenly prefers above all else making a tiny glass sound. She has ruined a mechanical keyboard with her antics and has made a damn good effort to ruin an amplifier also.