Three out of five people work overtime every week, with those in the North East and London putting in the most hours, a new study shows.
A survey of 2,000 adults found that workers are clocking up an average of four extra hours a week, rising to six in some areas.
Most of those putting in extra hours admit it creates tensions at home.
Bed firm Dreams said its research revealed that people in Scotland and East Anglia have the best work-life balance.
Around half saying they have never sacrificed anything to work a late night.