I don't usually like to drive past 10 pm, but when we stop for the night, I seem to have no problem getting up at 4 or 5 am to continue on, though to be honest I get up at 5 or 6 a lot for work anyway. On an overnight (or 2) drive I will adjust my timing to get to the campground by 2 or 3 pm.
Larry & Cheryl Oscar, Louie, Ranger & Henry (our Springers)
2010 Allegro RED 38QBA "Harvey"
2009 Honda Element "Towster"