Is there a real paper linked to this study? All I can find is this rubbish [1] which is a collection of info-graphics without any p-value. [1] https://static1.

Is there a real paper linked to this study? All I can find is this rubbish [1] which is a collection of info-graphics without any p-value. [1] https://static1.squarespace.com/static/5c3e9f3555b02cbca8b01aab/t/5c6639880d929730b229a363/1550203293110/Four-Day+Week+White+Paper+February+2019+final.pdf https://static1.squarespace.com/static/5c3e9f3555b02cbca8b01...