midnight
` The harm is , that you will soon have no trade ; and when you have no trade , you will have no duties ; and when you have no duties , you will have no dividends ; and when you have no dividends , you will have no law ; and then , where is your source of prosperity ? ' said the first . But here the coach stopped , and the Duke got out for an hour . By midnight they had reached a town not more than thirty miles from Dacre . The Duke was quite exhausted , and determined to stop . In half an hour he enjoyed that deep , dreamless slumber , with which no luxury can compete . One must have passed restless nights for years , to be able to appreciate the value of sound sleep .