A four-day working week improves mental and physical health: https://www.ukri.org/who-we-are/how-we-are-doing/research-ou...
Work time reduction via a 4-day workweek finds improvements in workers’ well-being https://www.nature.com/articles/s41562-025-02259-6
So to not feel starved for time, aim for a 7.6 hour workday. That would equate to a 38-hour workweek. https://www.atlassian.com/blog/productivity/this-is-how-many...
New Study Finds the 'Optimal' Length of a Workweek and found that the "optimal" workweek is 37 hours. https://money.com/optimal-workweek-length-hours/