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8 Small Habits That Will Change Your Life: The Best Expert Advice I’m Using This Year

The Mel Robbins Podcast

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The impact of adenosine and coffee on energy levels

Grogginess upon waking up is caused by adenosine in the brain, which clears out within 30-40 minutes. Coffee blocks adenosine receptors, preventing the clearing out process. If coffee is consumed before adenosine clears out, it results in increased tiredness when the coffee wears off. This leads to a cycle of dependency on coffee throughout the day. Allowing adenosine to clear out before consuming coffee may reduce the craving for a second cup.

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