Only one in four workers believe they are productive all the time, with many distracted by meetings, dealing with emails or taking tea breaks, a study suggests.
A survey of 1,000 workers by totaljobs found that one in three believed that shortening the working day would improve productivity.
The jobs site said many companies have introduced flexible working arrangements, encouraged staff to take lunch breaks away from their desks and even made sure no-one worked longer than their hours in a bid to boost productivity.
David Clift of totaljobs, said: "Staff and employers must work together to ensure the necessary steps are taken to boost productivity.
"Even small changes, such as ensuring staff take their full lunch break, can have huge benefits on individual productivity.
"We're seeing an increasing number of companies using simple, but effective techniques to boost the productivity of their staff, from offering shorter working hours, encouraging employees to work remotely, or providing in-house exercise classes during lunch breaks."
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