Geez don't feel alone here!!! (in regards to LAZY CATS).
It was said somewhere by someone that cats sleep 20 out of 24 hours a day. I bear witness to this.
In just about all of the photos I have posted on my web albums of my monsters, in I'd say 90% of them, they are sleeping. Or on their way to sleeping, after eating.
They're spoiled little buggers and they know it.
But yeah they tend to get lazy, especially when they are pampered, well-fed and they have blankets & beds at their disposal 24 hours a day.