two o'clock
But a sharp rap at her door awakened her , and a tall , spare figure crossed the room . As the maid was about to draw the curtains , Evelyn cried to her -- `` Oh , wait a moment , Herat ... . I 'm so tired . I did n't get to bed till two o'clock . '' `` Mademoiselle forgets that she told me to awaken her very early . Mademoiselle said she wanted to go for a long drive to the other end of London before she went to rehearsal . '' Merat 's logic seemed a little severe for eight o'clock in the morning , and Evelyn believed that her conception of Isolde had suffered from the interruption .