You can take a fair bit of caffeine. I've done 2L of caffeine drink and 6 pro plus between 11pm and 9am. stupid work. Had to to work from 11pm till 4pm, have 2hrs rest then work form 6 till 10. no sleep for 35.5hrs Longest I've stayed awake for is 56hrs on a first date at a theme park and everything else. no caffeine that time thought
You can take a fair bit of caffeine. I've done 2L of caffeine drink and 6 pro plus between 11pm and 9am. stupid work. Had to to work from 11pm till 4pm, have 2hrs rest then work form 6 till 10. no sleep for 35.5hrs Longest I've stayed awake for is 56hrs on a first date at a theme park and everything else. no caffeine that time thought