midnight
Well , if I hear anything more I 'll let you know . '' `` Anything for a little excitement , '' said Barnes casually . He listened at the door until he heard the waiter clattering down the stairway , and then went swiftly down the hall to No. 30 . Mr. Prosser was sleeping just as soundly and as resoundingly as at midnight ! `` By gad ! '' he muttered , half aloud . Everything was as clear as day to him now .