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Coffee Can Be A Major Brain Stimulator – After A Good Night’s Sleep

March 17, 2016: 12:00 AM EST
New research shows that caffeine works best when a person is rested, not sleep-deprived or sleepy. Caffeine clogs the body’s adenosine system, which is a sort of brake that allows the brain to switch off and fall asleep. Drinking coffee when well-rested blocks adenosine, allowing stimulation of brain chemicals such as dopamine. This doesn’t happen after a long work day because those chemicals have been largely used up. That’s why a cup of coffee is most beneficial in the morning, or after a nap. It heightens creativity, boosts typing and data processing speed, and eases mathematical computation. Studies also show caffeine intake, at the right times and in the right doses, may also increase longevity, reduce cognitive decline in men, and even help with Alzheimer’s in mouse models.
Seth Porges, "How to Transform Your Coffee Into a Wonder Drug", Bloomberg Business, March 17, 2016, © Bloomberg L.P.
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