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Image of Esteemed Antagonist - Mug

Esteemed Antagonist - Mug

$22.00 - $27.00

"Caffeine works by successfully battling with adenosine for the privilege of latching on to adenosine welcome sites—or receptors—in the brain. Once caffeine occupies these receptors, however, it does not stimulate them like adenosine, making you sleepy. Rather, caffeine blocks and effectively inactivates the receptors, acting as a masking agent. It’s the equivalent of sticking your fingers in your ears to shut out a sound. By hijacking and occupying these receptors, caffeine blocks the sleepiness signal normally communicated to the brain by adenosine. The upshot: caffeine tricks you into feeling alert and awake, despite the high levels of adenosine that would otherwise seduce you into sleep."

—Matthew Walker, "Why We Sleep: Unlocking the Power of Sleep and Dreams"

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• Ceramic
• Dishwasher and microwave safe
• White and glossy

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