closed eyes + curved paws my favourite, though the overall design seems a bit too simplistic or just ... uninspired in my opinion. It feels too close to your last plush.
I think a curled-up sleepy chip would be cute, kinda like at the beginning of this video:
https://www.youtube.com/watch?v=XyXcPWD69G8
Just an idea which I think has more potential <3