That's actually a very good point. I've seen people get sick or hurt themselves because of medical conditions, health limitations, physical fitness levels, etc. always take into account what can happen to you. It is more than likely you will face dehydration, temperature swings, extreme fatigue, hunger, excess sweat, etc. Even medications you take should be taken into consideration; everything from insulin to Viagra.
I'd never suggest energy drinks though. If you can't make it through on your own physical and mental abilities, then don't force yourself.
ďREALITY IS LIKE A STONE. TO MANY ITíS HARD AND COLD, THEY CANíT HUG IT OR EAT IT, IT ONLY FRUSTERATES THEM AND DOESNíT DO THEM MUCH GOOD. TO OTHERS ITíS STRONG AND DEPENDABLE, YOU CAN BUILD WITH IT, BUILD UPON IT, OR WORK WITH IT, ALSO USE IT TO SMASH PEOPLE IN THE FACE.Ē