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Focus
Practical guides on attention, deep work, ADHD, brain rot, and reclaiming your concentration in a noisy world.
The 4 day work week, read from the trial reports: what 61 UK firms and 141 firms in six countries measured, what improved, and what was never tested.
Work expands to fill the time you give it, but tight deadlines can backfire too. What Parkinson wrote in 1955, what labs found, and how to set deadlines.
What ADHD hyperfixation is, how it differs from hyperfocus and autistic special interests, why the interest drops off, and how to handle the crash.
Timeboxing caps how long a task gets; time blocking picks when it happens. How a stopping rule beats Parkinson's law, plus a one-week test to run.
High-functioning ADHD is not a diagnosis. What DSM-5 uses instead, what a high-IQ study found, and why doing well can still mean real impairment.
The interest-based nervous system is a psychiatrist's model of ADHD motivation, not a diagnosis. What it gets right, what studies show, and how to use it.
The 90-minute ultradian rhythm is solid in sleep and shaky when awake. What Kleitman, Ericsson and a 60-person test found, and how to size focus blocks.
Doom piles are stacks of deferred decisions, not laziness. What the research on ADHD and clutter shows, and a one-decision-at-a-time way to clear them.
Why feedback can land like a verdict with ADHD, what research actually shows about RSD (it is not a DSM diagnosis), and what helps at work.
Cognitive overload explained with working-memory science: the signs at work, the three loads behind them, and a triage to offload or defer.
What body doubling is, the social-psychology science behind it, what the first studies found, when it backfires, and the apps compared on price.
ADHD time blindness is real in some lab tasks and murky in others. What 55 timing studies found, where adult data disagree, and what helps day to day.
The MIT "Your Brain on ChatGPT" preprint, read in full: 54 students, EEG, 20-minute essays, no peer review yet, and what offloading costs you.
A 3,720-student study found ADHD symptoms tied to lower standards but harsher self-judgment. What ADHD perfectionism really is, and how to get unstuck.
Why ADHD procrastination runs on deadline panic, what the research on delay, stress and grades shows, and how to build urgency without the crash.
Context switching costs less per switch than the 23-minute myth says, and more per day. What Gloria Mark measured, attention residue, and a batching plan.
What Andrew Huberman has said about nicotine pouches and gum, with episode dates and timestamps: his dose, his warnings, and what the research shows.
ADHD masking explained with 2024 to 2026 research: what adults hide, why 91.6% in one study said they camouflage, and what the effort costs later.
Working 80 hours a week leaves about 39 waking hours for life. What the sleep and heart research shows, who works it, and how to protect sleep.
Celsius, Red Bull, Monster, Alani and coffee ranked for college and grad study sessions by caffeine, sugar and timing, with labels checked Oct 2026.
Quitter's Day 2027 is Friday, January 8, the second Friday of January. Where Strava's date came from, what the research says, and how to get past it.
Maxxing means optimizing one thing to the extreme. Where the suffix comes from, plus a glossary of sleepmaxxing, fibermaxxing, auramaxxing, and more.
Hurkle-durkle means lying in bed after it is time to get up. The 1825 Scots origin, the 2024 TikTok revival, and why the grogginess afterward fades.
The 75 Medium Challenge rules in one table, how it differs from 75 Hard and 75 Soft, and where coffee, alcohol, and caffeine fit in the 90 percent diet.