nine
o'clock
`` Ach , I 'd forgotten . Do n't be uneasy . I wo n't oversleep . At nine o'clock . I know how to wake up when I want to . I go to bed saying ` seven o'clock , ' and I wake up at seven o'clock , ` ten o'clock , ' and I wake up at ten o'clock . '' `` You have remarkable powers , '' said Nikolay Vsyevolodovitch , looking at his pale face .