Red Bull contains caffeine, which stimulates receptors and keeps you awake.
That depends on how tired you are already and your body mass. There is no standard amount that you should use per time you need to be awake. Also, if you have not slept for a day or two, no amount of caffeine will keep you awake.
Yes, mint tea makes you feel alert and refreshed, and is very useful for staying awake. It does not have any caffeine.
Yes, it sure can. The cocoa beans that are used to make chocolate have caffeine in them naturally. Not to mention, most chocolate confections have sugar in it as well. The combination of the sugar and the caffeine could certainly keep you awake, especially if you eat a significant amount and are not used to taking in caffeine.
coffee, chocolate, any caffeine
Yes but the caffeine in Excedrin will keep you awake instead of help you sleep.
Keeping you awake , coffee and cola have lots of caffeine.
Rugby players take caffeine supplements to keep them awake during games. Rugby games are usually at least 2 hours.
Caffeine you will find in your everyday beverages or hot drinks, examples of these are: - Coffee - Tea - Fizzy Drinks etc. Caffeine is mainly used as energy or as some people say "To keep people awake".
Both Tea and Coffee have Caffeine, which is a stimulant and can cause sleeplessness
Caffeine is found in coffee and helps you to stay awake.
As much as you need to stay awake.