# Do four-day work weeks improve productivity?: 9 Sourced Claims, Contested Facts & Evidence

Authors: ronalddsoftdoes
HTML: https://moyomap.com/maps/do-four-day-work
Markdown: https://moyomap.com/maps/do-four-day-work.md
License: HTML and markdown are for reading and citation. Bulk copying and AI training need a written license. See /terms and /developers#maps-data.
Cite a claim as: MoyoMap, "Do four-day work weeks improve productivity?: 9 Sourced Claims, Contested Facts & Evidence", claim {id}, https://moyomap.com/maps/do-four-day-work.md#{id}. “Moyo, a product of SenTeGuard Inc.”

### A 2025 study published in Nature Human Behaviour tracked 2,896 workers across 141 organizations in the U.S.,…

Id: claim_4aacef13d1dc1dc6b83756e1
Parent: topic_k9sp6miQnFjgw0qfEhJj
Depth: 1

A 2025 study published in Nature Human Behaviour tracked 2,896 workers across 141 organizations in the U.S., U.K., Canada, Ireland, Australia, and New Zealand.

Labels: Inferred, Low, investigate

### Sociologists Wen Fan and Juliet Schor found that reduced-hour workweeks increased individual work ability and…

Id: claim_c2484cc00123c056871c06c4
Parent: topic_k9sp6miQnFjgw0qfEhJj
Depth: 1

Sociologists Wen Fan and Juliet Schor found that reduced-hour workweeks increased individual work ability and decreased sleep problems.

Labels: Inferred, Low, investigate

### Reduced-hours vs. Compressed-hours Workweek Models

Id: section_0118051967439b734285ace2
Parent: topic_k9sp6miQnFjgw0qfEhJj
Depth: 1

Reduced-hours vs. Compressed-hours Workweek Models

Labels: Inferred, Low

### University of Münster 2024 Study

Id: section_98f18d29a2a304f44cb37f7e
Parent: topic_k9sp6miQnFjgw0qfEhJj
Depth: 1

University of Münster 2024 Study

Labels: Inferred, Low

#### The 2025 Nature Human Behaviour study concluded that productivity was maintained in reduced-hour trials by re…

Id: claim_2901f13f7a04b0b4c314672b
Parent: claim_4aacef13d1dc1dc6b83756e1
Depth: 2

The 2025 Nature Human Behaviour study concluded that productivity was maintained in reduced-hour trials by reducing meeting bloat rather than increasing work pace.

Labels: Inferred, Low, investigate

#### A 2024 study led by Prof.

Id: claim_5d761e225c7709eb5ecbf582
Parent: section_98f18d29a2a304f44cb37f7e
Depth: 2

A 2024 study led by Prof. Julia Backmann at the University of Münster tracked 45 German organizations to measure stress via hair cortisol and smartwatches.

Labels: Inferred, Low, investigate

#### Reduced-hours workweek models (32 hours at 100% pay) generally show preserved or improved productivity in mul…

Id: claim_88a8686cd6a98d8452086425
Parent: section_0118051967439b734285ace2
Depth: 2

Reduced-hours workweek models (32 hours at 100% pay) generally show preserved or improved productivity in multi-country trials.

Labels: Inferred, Low, investigate

#### Compressed-hours workweek models (e.g., four 10-hour days) often result in cognitive fatigue and neutral or n…

Id: claim_9f949c83fc68dfa72bbb4967
Parent: section_0118051967439b734285ace2
Depth: 2

Compressed-hours workweek models (e.g., four 10-hour days) often result in cognitive fatigue and neutral or negative productivity outcomes over time.

Labels: Inferred, Low, investigate

##### Participants in the University of Münster 2024 study recorded 89 fewer stress minutes per week.

Id: claim_67e577811b6f703161e2143e
Parent: claim_5d761e225c7709eb5ecbf582
Depth: 3

Participants in the University of Münster 2024 study recorded 89 fewer stress minutes per week.

Labels: Inferred, Low, investigate