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Joe Blogs

Notes on building a Life-OS

The mechanism, the evidence, and the protocol — one pillar at a time. No lists of 20 hacks.

Physical Integrity

How often should you get up from your desk?

Roughly every 20 to 30 minutes, for two minutes, at an easy pace. How often matters more than how much, and a morning workout doesn't buy you out of it.

2 min read

Chronobiology

When to stop drinking coffee if you want to sleep

Caffeine has a half-life of five to six hours, so a 3pm coffee is still working at midnight. Here's the cutoff that protects your sleep, and why the morning cup matters less than you think.

4 min read

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