Public preview
90-Minute Deep Work Block
Block 90 daily min for deep work with no phone, email, or colleagues — with a fixed startup ritual.
Goal
Produce high-value work with full focus, not scattered shallow output.
Steps
-
1
Pick the single most important task. Write it on paper before the block.
Expected Outcome
Immediate
You produce in 90 deep min what normally takes 4 distracted hours.
Evidence base
School: Deep Work
Founders: Cal Newport · Anders Ericsson (2016)
Newport's "Deep Work" 2016 and Ericsson's 1993 deliberate practice research confirm 90-120 min is peak deep focus capacity.
Keywords
Frequently asked questions
How long does "90-Minute Deep Work Block" take?
This exercise takes about 95 minutes, practiced solo in a Behavioral format.
When will I notice the effect of "90-Minute Deep Work Block"?
You produce in 90 deep min what normally takes 4 distracted hours. In the short term: Within a month, a week's worth of output in 3 blocks.
Is "90-Minute Deep Work Block" evidence-based?
Yes — it draws on Deep Work (Cal Newport, Anders Ericsson (2016)). Newport's "Deep Work" 2016 and Ericsson's 1993 deliberate practice research confirm 90-120 min is peak deep focus capacity.
Is "90-Minute Deep Work Block" suitable for beginners?
Its difficulty level is: Intermediate. No external tools required — it can be practiced directly inside the app.
Subscribe for full access
Subscribe to Plus for full access to this practice and the whole catalogue, or try first — free, no sign-in, no commitment.
7 complete practices (one per domain) are free forever, no sign-in.