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The 2 P.M. Caffeine Rule: Your Afternoon Coffee Is Still in Your Blood at Midnight

This story is from 2026-10-22. It is preserved in the archive; the latest stories are on the live feed.

It's 4 p.m., you're fading, and you get an Americano to push through the last stretch. At midnight you're in bed, tired but wired, staring at the ceiling. Or maybe you're the other type: "Coffee doesn't affect me, I fall asleep instantly." And yet somehow you're still short on sleep every day. Both…

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  1. 2026-10-22 11:47 · DEV Community — AI
    The 2 P.M. Caffeine Rule: Your Afternoon Coffee Is Still in Your Blood at Midnight

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