All the talk of who takes what watch really only serves to confuse Senna.  She gets up and looks around at all the folks prattling, then turns to Sword.  "You don't need sleep, right?  Then you could just as easily take most of the watches yourself."  She turns to the drivers.  "And the lot of you could take yer own shifts.  Keep Sword company 'n all.  Jus' scream if summin' goes screwy."  She sits back down, taking her seat on the back of a carriage.  "Now that's settled, let's actually set up the damn camp an' get t' sleep."