five in the morning
`` O ! I 'm very strong , sir , '' said Daubeny ; `` I 've a cast-iron constitution , as that amusing plague of mine , Henderson , always tells me . '' `` Never mind , you must really work less . I wo n't have that getting up at five in the morning . If you do n't take care , I shall _ forbid _ you to be higher than twentieth in your form under heavy penalties , or I shall get Dr Keith to send you home altogether , and not let you go in to the examination . '' `` O ! no , sir , you really must n't do that .