[ Taking on this offer is so tempting that Genos falls silent for a moment, before finally answering. ]

Don't we all? I haven't noticed you resting either. [ he straightens his back, his expression serious. At least that he can appear more awake ] I can probably keep being awake for a hour or so. If you want, you can rest first. [ What might be seen as bravado, is just Genos' logical assumption that most people here don't benefit from artificial bodies like he does. ]

...we can switch the watch then. [ Because that offer is still tempting, as he has to admit grumpily ]