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AI brain fry is real. If you’re exhausted, you’re not alone.

I measured 70 days of my Claude Code logs, read what the research says about the brain, and I’m testing a Pomodoro-inspired day to cool off.

Peter Baukys

14 min read7 hours ago

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TL;DR

🍳 It’s real, and it has a name. BCG calls it AI brain fry, the mental fatigue that comes from heavy use of AI tools. The people who love agents most complain about it loudest.

📊 My own logs look like a conveyor belt. In 70 days of Claude Code I switched sessions every 4.5 minutes, my agents waited 7.8 minutes for me, and my prompts shrank from 18 words before noon to 13 after 6 pm.

🧠 It hits three things at once. Too many open threads overflow working memory, unfinished tasks keep nagging, and with the easy parts handed to agents, the whole day becomes hard thinking.

🍅 What I’m trying: a Pomodoro-inspired day.…