[header] How to stay up for three days straight [title] Extend your sleep slightly. [step] You'll want to bank a little bit of sleep beforehand, so don't be afraid to go to bed a little earlier or sleep in a bit in the days leading up to your time up. [title] Avoid caffeine. 
[step] You'll be taking in plenty of caffeine as the days go by. If you use too much in the days leading up to your time, you'll build up a tolerance.