![]() ![]() ![]() This increase your heart rate and blood pressure, which may rev you up a bit or even improve your physical performance. Your pituitary gland senses that neural activity is higher than it ought to be, so it perceives an emergency and releases adrenaline. The chemical structure of a caffeine molecule shares some features of adenosine. The neural activity is not slowed, and you don’t get drowsy or sleepy. So when you drink coffee, the caffeine becomes like a trespassing ship that prevents adenosine from docking in its usual spot. It just so happens that caffeine is a pretty nice fit for those adenosine receptors as well, and caffeine does nothing to slow down neural activity. This is what makes you feel drowsy or sleepy. Think of them as little docks, and the ship that docks in them is a chemical called adenosine.Īdenosine slows down neural activity when it “docks” in these receptors. Effects of Caffeine on the BodyĮvery cell in your body has little proteins known as adenosine receptors. This post covers some of the reasons why your energy level might not be going up when you drink coffee.įirst, let’s discuss go over the way caffeine works-or is supposed to work-on your body. There are also people who have never felt the effects of caffeine, but they still want to know why. The smell of a freshly brewed cup of coffee is always nice to wake up to, but what if that coffee isn’t waking you up? You may feel like the odd one out if coffee isn’t having the same awakening effect for you that it seems to have for so many people.Ĭoffee’s stimulating effects on regular coffee drinkers can diminish over time. 6 Ways to Feel More Energetic Without Using Caffeine ![]()
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