[ from the lab ]

Notes on coffee.

• 2026-09-07

  Attention and caffeine

  Why the urge to check your phone mid-task might be a caffeine problem, not a willpower problem.

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• 2026-08-31

  Caffeine Tolerance: Why your morning cup stops feeling the same

  A look at why coffee that once woke you up eventually stops working, the actual scientific explanation, and how to get that caffeine kick back.

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• 2026-08-29

  The coffee nap

  Why drinking coffee right before a short nap works, and why the duration of the nap matters more than people think.

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• 2026-08-22

  Does coffee actually wake you up?

  Coffee doesn't wake you up. It blocks the signal that tells you how tired you are. Here's the mechanism, and why the debt still catches up.

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