There are days where I can have a cup of tea or a can of redbull or even an espresso and just go to sleep in 15-20 minutes. But there are also days where it actually works. What causes this erratic behaviour of caffeine on the mind?
PS: I don’t intake a large amount of caffeine regularly but it’s behaviour is kinda weird
In: 25
From what I’ve read, it’s either just tolerance (though you say you don’t drink it regularly) or it could have to do with the amount of cortisol you have in your body.
Cortisol follows a rhythm and if you sleep and eat at regular times, production spikes when you’re waking up and when you normally eat lunch and dinner. Since cortisol inhibits the effects of caffeine you won’t really notice it if you’re drinking coffee around those times
Sources: random Internet articles
Edit: Soo, the more I’m reading about this the less confident I am in my answer so I wouldn’t really trust what I wrote…
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