Ours climbed the walls at first. They were not tall enough, now there is nothing to see above the walls so she ignores them (they are 8 inches (20cm) tall).
We bought Ripley 2 weeks ago. She sleeps all the time, more than we expected. I understand though because growing is hard work when you are a tiny tortoise. The weird thing is she can always tell when we sneak up to look at her. No matter what she will always pop her head up and give us the evil...