about twelve o'clock
A chill being thrown thus over the feelings of all , the family separated at an early hour . But Mrs. Graham did not retire to bed . She could not , for she was strangely uneasy about her son . It was about twelve o'clock when Alfred came in . His mother opened her door as he passed it , to speak to him -- but her tongue refused to give utterance to the words that trembled upon it . He , too , was intoxicated ! Brief were the hours given to sleep that night , and troubled the slumber that locked her senses in forgetfulness .