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A member asked:
Why does drinking coffee make me so tired? almost instantly it makes me drowsy and i can sleep so well. happens with allll coffee types.
A doctor has provided 1 answer
Build up Adenosine: Caffeine in coffee blocks adenosine receptors in your brain from receiving adenosine, which is a neurotransmitter that causes fatigue. Although caffeine prevents your brain from receiving adenosine, it doesn’t stop your body from producing the neurotransmitter. Thus, when the caffeine wears off, there is a buildup of adenosine that will make you sleepy. Avoid coffee beverages with lots of sugar.
Answered 11/23/2018
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