The Deep Focus blog
Focus, explained.
Short, evidence-based reads on attention, deep work, and getting more done by switching less.
The Open-Plan Office and Your Attention
The layout was sold on collaboration, and the one study that measured face-to-face contact before and after a move found it fell. The disruptive ingredient turns out to be intelligible speech rather than volume, you habituate less than you assume, and the fix with the most support is somewhere else to sit — not headphones.
Read →Does Time Blocking Actually Work?
There is no controlled research on "time blocking" or "monk mode" as named systems — and a solid body of it on the three older parts they bundle together: if-then plans, self-imposed deadlines, and a container that holds one task. Which parts to keep, and why enforcement is the weak link.
Read →Exercise and Focus: What a Walk Actually Buys You
Movement before demanding work is one of the few focus interventions with real experimental support — and one of the most oversold. What the acute-exercise meta-analyses found, why the window sits after the bout rather than during it, and the 2023 umbrella review that pushed back hard on the whole field.
Read →Sleep Debt and Focus: The Input a Timer Can't Replace
Attention is the first thing sleep loss takes — and the dose-response research found that people stop noticing while it happens, rating themselves as adapted while their measured performance kept sliding. What that means for a bad week, and the limits of what any focus technique can fix.
Read →Do Binaural Beats Actually Help You Focus? What the Evidence Says
Binaural beats are a real auditory illusion — but that is a different claim from "improves your concentration", and the cognitive evidence is mixed. Where the 40Hz gamma research really stands, and the one thing background audio reliably does.
Read →Does Notification Batching Help You Focus? What the Evidence Says
A single ping costs more than the second it takes to glance — it drags attention residue onto your task even unanswered, and the slow climb back costs more than the check. The evidence-based case for checking on your schedule, not the sender's.
Read →Single-Tasking vs. Multitasking: What the Evidence Actually Says
"I'm good at multitasking" rarely survives the research. Most multitasking is really fast switching — and switching costs time, accuracy, and a trailing residue. The evidence-based case for one task at a time, plus the rare exception.
Read →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.
Read →