If you'd like to learn more about the four-day work week there is plentiful material. For relatively recent studies I'd start here: https://scholar.google.com/

If you'd like to learn more about the four-day work week there is plentiful material. For relatively recent studies I'd start here: https://scholar.google.com/scholar?q=four+day+work+week&hl=en&as_sdt=0%2C39&as_ylo=2010&as_yhi= https://scholar.google.com/scholar?q=four+day+work+week&hl=e...