Remember that drink I invented yesterday? (oc)

[u/DaveKellett]

COME for the acrid taste, but STAY for the lack of caffeine!

[u/novus_nl]

It's weird to me caffeine doesn't do anything to me. As dutch guy working in IT, coffee is there 24/7 so I drink more then I would like to admit.

Sometimes when I drink really a lot (7+ cups) I get a bit jittery, but I never feel more energized or more awake. After coffee I can also just go to sleep, doesn't change at all for me.

(*I do try to drink less coffee, because I can't believe its good to drink that much though.)

[u/Bananplyte → u/novus_nl]

Hello! Swedish guy working in IT with coffee available 24/7.

The reason caffeine might not have an effect on you could be that your brain has gotten wise to your addiction and adapted by changing how its Adenosine system works.

One of the ways your brain keeps track of how long you've been awake is through a substance called adenosine. The longer you're awake, the more adenosine builds up and the sleepier you tend to get. This is picked up by little things called receptors that basically tell your brain that you're getting a bit tired and maybe it's time to chill out.

The reason caffeine is fun is that it essentially just blocks these receptors so that the adenosine can't do its thing. You don't get a bunch of extra energy, you just feel less sleepy than you otherwise would.

Your brain does catch on pretty quickly though. If you're constantly clogging these receptors with caffeine, your brain starts getting wise to your scheme. This can involve changes in the adenosine system, including changes in how many receptors are available or how sensitive they are.

Now, if you suddenly stop drinking coffee, all that adenosine is back to doing its thing without caffeine getting in the way. This is why quitting often makes you feel like absolute garbage for a while. It usually gets better within a few days to about a week.

So if caffeine doesn't really do much for you, you might just have built up a pretty serious tolerance. Or you might just be built different.

You probably are just very addicted, like me, your most humble fellow IT caffeine-fiend.

[u/icedteaandtacos → u/Bananplyte]

No some people are genuinely just built different.

I can drink 3+ cups of coffee a day everyday and never feels the caffeine and then the next week never have one cup and I feel the exact same. No withdrawals or anything.

Some people just really aren’t affected by caffeine. I know about half the time drink decaf because what’s the point of having meaningless caffeine.

[u/Bananplyte → u/icedteaandtacos]

> Or you might just be built different.

I did write this