four in the morning
`` But , '' perplexedly , `` if I remember correctly , Rosa testified at the inquest that the servants ' bedrooms are not in the attic but on the floor beneath . '' `` They are , Herr Captain . On answering the bell from Mr. Whitney 's studio I found Miss Grey there trying to revive him . '' `` You answered the bell at four in the morning ? '' in surprise . `` I understood you did not sleep at the Whitneys ' . '' `` Nor do I , Herr Captain ; but last night I took Vincent 's place and occupied his bedroom .