Me and a couple of dive buddies will pull a marathon trip about once a year,the toughest one went like this,12:00 am left NC headed to ginnie springs,trip takes 7 hours,arrive at ginnie and dive basically all day,put in one night dive for good measure. Find a place to stay,sleep about 6 hours. Next day headed toward Mayo fl and dive troy springs followed by a dip Suwannee river,about 5 pm head to NC,by the time we hit Atlanta I'm seeing double,time to switch drivers,(whew!!)by now the van smell REALLY BAD,can't sleep,wondering what we were thinking and swear to never do it again,finally arrive home around 2:30 am,chuck dive gear in garage,go in house and my wife tells me how bad I smell,hit the shower and finally crash. Next day call dive buddies and talk about how much fun we had and can't wait to do it again. I swear diving is worse than drugs!!!!