Caffeine is a stimulant that can be used to increase mental focus and fight fatigue; In this video, i'm going to answer the question “does 5 hour energy work?” i’ll go over all the ingredients, what effects they have, and see if it actually l. The Balm Lip Balm Dum Dums First is “hours of energy now. Does 5 hour energy work for driving . If you need some quick energy for a late night of studying or driving, it probably won’t. Of course caffeine works better than no caffeine; 5 hour energy actually works ok for me. Oddly enough i dont use it to stay awake in the truck i used to use them when id bust butt to get home friday and need energy to go out. It gives you a lot of energy and it lasts for a good amount of time. I'm an otr truck driver and take it semi frequently and i believe if taken at night time that , yes it will keep you up 5 hrs. And id pay in the morning. Living essentials pioneered 5 hour energy in 2004 which purports that it can boost. It...