Articles
Evidence-led writing on desks, food, movement, sleep, focus and AI · for people whose job keeps them at a screen.
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How Long Does It Take to Refocus After an Interruption?
The famous 23 minutes and 15 seconds does not appear in the paper it is credited to. What the interruption research actually measured is messier, and points at strain rather than lost output.
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Can You Catch Up on Sleep on Weekends? Two Literatures, Two Answers
Two bodies of evidence answer the weekend catch-up question in opposite directions: short-run laboratory markers and a 13-year mortality cohort. Here is what each one can and cannot show.
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Does Drinking Water Help You Focus? The Studies Were Not Done at a Desk
The dehydration-and-cognition studies induced fluid loss with treadmill walking in a warm room and a prescription diuretic, and the pooled effect concentrates above 2% body-mass loss. Here is what that actually implies for a foggy afternoon at a desk.
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How High Should Your Monitor Be? The Standards Give a Number, the Trials Give a Shrug
Every ergonomics page hands out the same monitor height rule as if it were a clinical finding. It is a comfort convention from occupational health guidance, and the trial evidence that workstation geometry prevents neck pain is much thinner than the advice…
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How Often Should You Get Up From Sitting? One Trial Compared Five Schedules
No health authority has set an interval. One small randomised crossover trial compared five sitting-break schedules head to head, and the dose that works depends on which marker you care about, with one popular benefit that did not show up at all.
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How Long Before Bed to Stop Drinking Coffee (Your Cutoff Is Not 2pm)
The 8.8-hour figure everyone quotes is a modelled output for a single 107 mg cup, not a validated curfew. Here is the subtraction to run against your own bedtime, and the part of a bad night that caffeine does not fix.
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Do Blue Light Glasses Work? The Three Claims the Marketing Blurs Together
Blue-light eyewear is sold on three separate promises (less eye strain, eye protection, and better sleep) that get merged into one. The evidence base is different for each, and separating them is the only way to answer the question honestly.
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Cognitive Offloading and AI: Why Your Confidence Outruns Your Code
The popular story is that AI makes you dumber. The evidence supports something narrower and more useful: offloading judgement to an automated aid miscalibrates your confidence and shortens the checking that would catch the difference.
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How these articles get written
Every recommendation here is traceable to a source, and where the evidence is thin that gets said rather than smoothed over. Read the research and testing standards to see what a claim has to clear before it is published, or find out who writes TorpidLife.