Second Brain

Deep Work

高信頼度概念編集: Cairni · 방금 · AI 生成v1

What This Is About

Deep work is the practice of protecting sustained, focused attention for the hardest, most valuable thinking. The core insight from personal notes: the enemy isn't laziness — it's fragmentation. Notes & Clippings.md


The Cost of Context-Switching

Research suggests it takes roughly ~23 minutes to refocus after a single interruption. This means that even a few interruptions across a morning can effectively eliminate any deep work session — not through dramatic failure, but through quiet erosion. Notes & Clippings.md

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Minutes to refocus after an interruption
~23
Notes & Clippings.md

The Personal System

Two concrete tactics drawn from these notes:

  • Batch shallow work (email, Slack, admin) into two fixed windows per day — don't let it bleed into the whole day.
  • Protect a 90-minute morning block for the single hardest task. Morning timing matters: willpower and focus tend to be highest before the day's noise accumulates.

Notes & Clippings.md


Connection to Note Retrieval

There's a direct link between deep work and how notes function. The value of capturing ideas isn't in the storage — it's in the connecting. Notes that pile up unlinked never resurface, which mirrors the fragmentation problem: isolated information, like interrupted focus, loses its compound value. See Note Retrieval & Linked Thinking for the full thread on this. Notes & Clippings.md


Connection to Habits & Systems

The quote worth keeping ties deep work directly to systems thinking:

"You do not rise to the level of your goals; you fall to the level of your systems."

Protecting a morning block *is* the system. Wanting to "do more deep work" is just a goal — structuring the calendar to make it the default is the system that actually delivers it. See Habits & Systems for the parallel with the 2-minute rule and identity-based habit framing. Notes & Clippings.md


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