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/sci/ - Science & Math

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3199233 No.3199233 [Reply] [Original]

Hey, /sci/entists.

I am somewhat of a caffeine-junkie. Being so, I believe I have built up some resistance to the chemical. Tonight I want to pull an allnighter, but I don't know exactly how much caffeine is needed to keep me awake.

I know that 300mg is enough to get me all jittery and hyper, but that is pretty much the extent of my knowledge.

Does the quantity neccessary to keep me awake vary by weight and body type, or perhaps age?

I also know the biological half-life of caffeine, approximately 4.9 hours.

Will you help me do research so I can perfect my dose intake? I'd be extremely grateful if you did.

>> No.3199247

Just man up an use meth/ritalin/adder

>> No.3199261

5secs with google

http://en.wikipedia.org/wiki/Coffein

Caffeine tolerance develops very quickly, especially among heavy coffee and energy drink consumers. Complete tolerance to the sleep disruption effects of caffeine develops after consuming 400 mg of caffeine 3 times a day for 7 days. Complete tolerance to subjective effects of caffeine was observed to develop after consuming 300 mg 3 times per day for 18 days, and possibly even earlier.[29] In another experiment, complete tolerance of caffeine was observed when the subject consumed 750–1200 mg per day while incomplete tolerance to caffeine has been observed in those that consume more average doses of caffeine.[30] In everyday terms, the typical caffeine content of a single cup or mug of tea or coffee is well below the 300 - 400 mg level: an average mug of instant coffee contains approximately 100mg caffeine, the same level as a cup of brewed coffee. An average mug of tea contains 75mg of caffeine. [31]

>> No.3199323

>>3199261
Sure, Google/Wiki helped me so far. I still don't know the comfortable quantity for myself.

My question should rather be: What do you feel is comfortable, and what kind of body type are you?

>> No.3199352

>>3199261
Starbucks coffee contains ~250mg a cup.

>> No.3199371

A significant minority of people are caffeine slow metabolisers.
Caffeine tends to last much longer for them.

>> No.3199373

take 200mg every hour

>> No.3199381

>>3199247
You seem to be under the illusion it's possible to obtain any of these easily. Caffeine does the same thing.

>> No.3199403
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3199403

I read somewhere that every 5 hours on average, you body metabolizes about half of the total caffeine in your system completely, so every 4-5 hours, refresh your buzz with another ~150mg.

>> No.3199420

>>3199403
Are you sure? Wiki implies that the half-life is 5 hours.

>> No.3199427
File: 118 KB, 346x312, 1298391285998.png [View same] [iqdb] [saucenao] [google]
3199427

>>3199420
Isn't that what I said?

>> No.3199428

200mg every 4-6 hours until you're done.

>implying you're not better off using amphetamines

>> No.3199435

>>3199427
Whoops, my bad. That is precisely what you said. Never mind.

>> No.3199479
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3199479

>>3199435
S'alright.
Bump for interest.

>> No.3199704

what's up with all you guys.

100mg is a perfect dose. 150mg clouds my mind but is fun (good with alcohol but too much for study).
75mg is a 250ml can of energy drink.

Maybe i just have shit caffeine tolerance despite taking it a lot.

>> No.3199724

>>3199704
I think I agree with you, 100mg is just enough.

>> No.3199804

racetams and amphetamines are superior