twelve o'clock
She leaned out , touching my hand . `` You 'll be in bed when I come back . Good-night . '' The carriage rolled off , and entering the house I went into the library , where I worked until twelve o'clock . Then as Sally had not returned and I had a hard day ahead of me , I went upstairs to bed . She did not wake me when she came in , and in the morning I found her sleeping quietly , with her cheek pillowed on her open palm , and a pensive smile on her lips . After breakfast , when I came up to speak to her before going out , she was sitting up in bed , in a jacket of blue satin and a lace cap , drinking her coffee .