midnight
His logic was convincing , but Juliet drooped visibly . The bent little figure on the blanket was pathetic , but the twins were not given to self-pity . As time went on , the conversation lagged . They had both had a hard day , from more than one standpoint , and it was not surprising that by midnight , the self-appointed sentries were sound asleep upon one blanket , with Romeo 's coat for a pillow and the other blanket tucked around them . The red lanterns burned faithfully until almost dawn , then smoked and went out , leaving an unpleasant odour that lasted until sunrise . The rumble of a distant cart woke them , and they sat up , shamefacedly rubbing their eyes . `` Oh , '' cried Juliet , conscience-stricken , `` we went to sleep !