The Deep Focus blog
Focus, explained.
Short, evidence-based reads on attention, deep work, and getting more done by switching less.
How Long Should a Deep Work Session Be? What the Evidence Says
25 minutes, an hour, 90? There's no magic number — but research on attention fatigue, the 90-minute rhythm, and recovery breaks gives you real guardrails for sizing a deep work or concentration timer.
Read →Do App Blockers Actually Help You Focus? What the Evidence Says
Blocking apps to protect attention is hugely popular. The science on why distraction is costly is strong; the proof that blocker apps themselves boost productivity is thinner. An evidence-based read on what blocking can and can't do.
Read →Focus Timer vs. the Pomodoro Technique: Which Fits Deep Work?
A focus timer and the Pomodoro Technique both protect attention, but they work differently. How they compare — and when a flexible deep work timer is the better Pomodoro alternative.
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