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Focus

Your Inputs Train Your Focus

Focus gets better fast when you stop feeding your mind random noise all day.

Card lesson9 sections
Published by RebuiltLast updated: Sources visible below
On this page
  1. The head feels full but not useful
  2. Every check leaves a residue
  3. Choosing what not to consume is a real skill
  4. Selective ignorance
  5. Unsubscribe from three things you have not read
  6. Try a one-week input cutback
  7. Write before you open the noisy parts
  8. Move the most automatic feeds off your phone
  9. Consume less by default
  10. Sources

The head feels full but not useful

You have read six news pieces, checked two feeds, opened a newsletter, and followed three recommendation chains. It is 10 AM and none of it was relevant to anything you needed to do today.

That is not information. That is bandwidth rent, paid before the actual work started.

Every check leaves a residue

Sophie Leroy's 2009 research on attention residue found that switching away from a task, even briefly, leaves a cognitive trace that makes re-entry harder. Most of the cost is not the five seconds you spent opening the app. It is the mental noise that stays behind after you close it.

Choosing what not to consume is a real skill

Tim Ferriss called it selective ignorance in The 4-Hour Workweek. The idea is simple: most information is not relevant to your current work, relationships, or decisions. Knowing it does not make you better at your life. Choosing not to consume it does.

Quick check

Selective ignorance

What is selective ignorance?

  1. Ignoring all work responsibilities.
  2. Deliberately choosing which information not to consume in order to protect attention for what matters.
  3. Refusing to learn new skills.

You are reducing background noise so your attention is available for the work and people actually in front of you.

Try this

Unsubscribe from three things you have not read

Go through email or notification lists and remove three sources you have not meaningfully read in the last two weeks. If you would not notice they were gone by next week, they are probably attention rent, not useful input.

Try this

Try a one-week input cutback

For seven days: no news apps, no discovery feeds, no recommendation chains. Keep only what you need for work, logistics, and a few chosen people. Johann Hari's research in Stolen Focus found that the environmental load of constant inputs, not just phone time, is what degrades sustained attention.

Try this

Write before you open the noisy parts

Write today's three most important tasks on paper before unlocking your phone or opening a browser. That keeps planning from getting replaced by reacting.

Try this

Move the most automatic feeds off your phone

Put the apps you check out of reflex onto desktop only. Desktop access requires a decision instead of a reflex. The extra friction is the point.

Key idea

Consume less by default

Most information does not need to reach you. Fewer automatic inputs means more attention left for the work that is actually in front of you.

The quieter the default, the less you need to fight for focus.

Sources

  1. Leroy S. (2009) — Attention residue when switching tasks
  2. Ferriss T. (2007, The 4-Hour Workweek) — Selective ignorance and information diet
  3. Newport C. (2016, Deep Work) — Focused work vs shallow work
  4. Hari J. (2022, Stolen Focus) — Environmental impact on sustained attention

Further reading

  • The 4-Hour Workweek — Tim Ferriss (2007)
  • Deep Work — Cal Newport (2016)
  • Stolen Focus — Johann Hari (2022)