three o'clock in the morning
Why do n't you go into Wall Street an ' get poor ? ' '' ` Tired of play ! ' Bill exclaimed . ` Why , Grace , night before last you were playing bridge until three o'clock in the morning . ' '' ` Well , it 's a way of doing nothing skilfully and on the competitive plan , ' said she . ` It gives me a chance to measure my capacity . When I get through I am so weary that often I can go to sleep without thinking .