By now it seems like no matter what research emerges to show that four-day working weeks make employees healthier, happier and more productive, companies just can’t budge from the traditional five days of drudgery.

Well maybe the latest investigation into the benefits of a Monday – Thursday grind might make them change their minds. According to a white paper produced by Henley Business School, a four-day-working week could save UK businesses £104 billion a year. If anything is going to swing the pendulum of employer opinion in favour of the change, it’s the potential to cost cut.

If you’re still not convinced by a four-day working week, you need to read this