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.
you could convert 4 hours to 240 minutes, and then simplify from there, but not if you want to keep minutes and hours seperated. Hope this helped! :)
Crystal Meth, Extacy, LSD all will keep you awake for long periods with continued dosage.
ad the hours together. Add the minutes together then divide the minutes by 60 and keep the remainder for minutes left over. Add the quotient to the hours. 4:21+7:52=11:73 or 12:13
meth
There are 60 minutes in one hour, so multiply by 60 to get minutesThere are 60 seconds in one minute, so 60 x 60 = 3600 seconds ni one hour, so multiply by 3600 to get seconds.If you have a number of hours which has a whole number and a decimal part:keep the whole number of hours and multiply the fractional part by 60 to get the number of minutes;keep the whole number of minutes and multiply the fraction of minutes by 60 to get seconds.eg 5.338 hours = 5 hours and 0.338 x 60 = 20.28 minutes20.28 minutes = 20 minutes and 0.28 x 60 = 16.8 secondsSo 5.338 hours = 5 hours, 20 minutes, 16.8 seconds.
Rugby players take caffeine supplements to keep them awake during games. Rugby games are usually at least 2 hours.
Red Bull contains caffeine, which stimulates receptors and keeps 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.
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
If one is very sensitive to caffeine, eating Hershey chocolate could keep one awake, because all chocolate contains traces of caffeine.
Anything that stimulates the brain, such as caffeine, sugar, etc.any type of noise (loud, annoying)A big problem that could keep you thinking, i.e. troubled mind
Does albuterol keep you awake
No, sugar and caffeine are two separate entities. Caffeine can keep you awake and make you hyper. Sugar is one of the fast body fuels but in excess it can add to your weight. A sugar free item uses a replacement for the "sugars". (Fructose is a common sugar.) A caffeine free item has no caffeine in it.