Stern warnings about the cost of rest?

Proverbs 6:6-11 has been used for centuries to admonish slackers, in-sleepers, bludgers, and lazybones of all varieties. But it specifically mentions resting, which seems to be a good thing in our helter-skelter society. We try to discuss the theme of "the Cost of Rest", but end up coming back to the Cost of Work! As well as pondering the lessons of the ant, we consider what can be learnt from the pygmy blue-tongue lizard.