about twelve o'clock
`` And Ma yells up , ` What are you two layin ' awake about ? ' '' Miss Garvey would recount , with tears of enjoyment in her eyes . `` But we never said nothing , did we , Gert ? Well , about twelve o'clock we heard Leo come in , and he come upstairs , and he let out a yell -- ` My God ! ' he says -- '' But at the recollection of Leo 's discovery of the sheeted form , or the pail of water , or whatever had awaited him at the top of the stairs , Miss Garvey 's voice would fail entirely , and Miss Kelly would also lay her head down on her desk , and sob with mirth . It was infectious , everyone else laughed , too . To-day Susan , perceiving something amiss with Miss Thornton , sauntered the length of the office , and leaned over the older woman 's desk .