about midnight
Ensued , therefore , a commingling of patriotism with lust of man-hunting and eager expectation of to-morrow 's sacrifice . Nothing of this excitement disturbed Mattingley . He did not sleep , but that was because he was still watching for a means of escape . He felt his chances diminish , however , when about midnight an extra guard was put round the prison . Something had gone amiss in the matter of his rescue . Three things had been planned . Firstly , he was to try escape by the small window of the dungeon .