Dear coffee snobs/caffeine addicts, I have bad news for you: c | FactUp |Crypto |Insights

Dear coffee snobs/caffeine addicts, I have bad news for you: caffeine doesn’t actually give you real energy. In fact, it just makes your brain think you’re not tired.

Once caffeine gets into your blood stream, it goes to receptors in your brain that usually host adenosine — a compound that builds up in you the longer you’re awake in order to tell you when to sleep. So how does this amount to equal faux-energy? Because the caffeine replaces the adenosine in your system, and thus stops your brain from knowing when to get tired and go to sleep. Pretty creepy, right?

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