about eleven o'clock
Ann flushed a little , smiling . She did not resent the kindly inquisitiveness which gleamed at her out of Maria 's sharp old eyes , but she had no mind to gratify it at the moment . `` Not very late . I think he left by about eleven o'clock , '' she answered , with quite a good assumption of indifference . `` But I expect being out in the fresh air for the first time for several days made me sleep rather soundly . Why did n't you call me as usual ? I 'm not an invalid any longer , you know . ''