Deep Work: Rules for Focused Success in a Distracted World · chapter 7 · id deep-work-c7-03-most-knowledge-workers-if-they
“Most knowledge workers, if they accurately tracked their time, would find they spend less than an hour per day on genuinely deep work, with the rest consumed by shallow tasks.”
TRUE, BUTconfidence: medium⚠ extracted by pipeline, re-audit pending
Receipts
Speakwise: Knowledge Worker Productivity Statistics 2026source alive
Research consistently finds knowledge workers average 2-3 hours of truly focused work per day, with the remainder spent on email, meetings, and administrative tasks.
Microsoft Work Trend Index 2025source alive
Interruptions occur every 2 minutes during core work hours. Half of all meetings consume peak cognitive hours.
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