nine o'clock
Afterwards he read a little , and then , feeling tired , he concluded to retire . But he did not go to sleep at once . Occasionally he heard interesting sounds from below , music from a string orchestra , laughter of women , and the bass voices of men . At nine o'clock he was still lying awake when he heard a little running step outside his door . Out of an impulse he called softly , `` Mother . '' Mrs. Graham Woods Bartlett , on her way to her private safe for a piece of jade she wished to show one of her guests , paused at the call . Then she pushed open Graham 's door , which was slightly ajar , and went in .