Quick answer
Four-day week trials: large pilots report maintained or improved productivity and big gains in wellbeing — most participating companies kept the model after the trial.
The pilots
UK/Iceland/global pilots: most companies kept the 4-day week after trialing; burnout and sick days dropped.
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Productivity
Revenue and output generally held or improved — Parkinson’s Law works in reverse: work contracts to fit.
The conditions
Works where work can be re-planned — meeting reduction and async norms are the typical enablers.
The catch
Customer-facing coverage needs scheduling — it’s a redesign, not a Friday off.
Bottom line
Four-day week trials: large pilots report maintained or improved productivity and big gains in wellbeing — most participating companies kept the model after the trial.
FAQ
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Move projects forward without the chaos: all your tasks, progress, and team reports in one unified workspace. Built for companies, startups, and remote teams — with a quick setup and a free trial.