The trial, which ran for six months from June last year, required firms to reduce their working hours for all employees by 20 per cent without any reduction in wages. The research was conducted by academics at the University of Cambridge and the US's Boston College and co-ordinated by non-profit organisation 4 Day Week Global, in partnership with think tank Autonomy and the 4 Day Week Campaign. Dr David Frayne, a research associate at the University of Cambridge, said: “We feel really encouraged by the results, which showed the many ways companies were turning the four-day week from a dream into realistic policy, with multiple benefits