midnight
And with that new detector Bob and I have worked out , I 'll bet we can hear all the way . '' `` Sure , '' said Bob , getting up and stretching , `` Well , come on , Frank . Let 's turn in . It 's near midnight . I for one need a good night 's sleep . And I hope there 'll be no trouble to disturb us tonight . '' Alas , poor Bob could not foresee what calamity the night held in store .