Over a quarter (28%) of employees feel compelled to check work emails while on holiday or at weekends.
Furthermore, 15% of employees work in addition to their contracted hours.
Research for the mental health provider Priory Group showed younger workers felt more inclined to access work emails out of hours than older colleagues (23% of those aged 18-24 compared to 10% of over 55s).
Worryingly, one in 10 (10%) aged 25-34 worked between 11 and 20 hours overtime a week, compared to 5% of those aged 35-44.
An overwhelming number of the 500 working adults surveyed (96%) worked beyond their contracted hours and over half (53%) work at the weekends or during annual leave.
The main reason for this was one in four people (25%) worked in addition to their contracted hours because they felt it was expected of them.
Respondents felt their work could not be completed in the allotted hours (20%) or they wanted a head start at the beginning of the week (18%).
There was no gender divide between men and women feeling forced monitoring their work inbox when they are not even in the office.
Two-thirds (70%) of employees in their mid-twenties and early thirties said their emotional health had deteriorated in the past decade due to work and financial pressures.
Priory Hospital Bristol consultant psychiatrist and medical director Jon van Niekerk said more people were coming to the Priory as a result of the recent economic downturn, with work-related stress.
"When this feeling leads to people's ability to fully function at work being compromised because they can't switch off, it might be too late and their mental health could be at risk.
"It's important to prioritise your own needs and to speak out when you are overwhelmed," he added.
The technology to improve employees’ wellbeing is already here. But it is now in employers’ hands to make sure it is used to create successful corporate wellness programmes
Here they are - the winners of the Workplace Savings and Benefits Awards 2020...
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There are just a few weeks left to enter this year's Workplace Savings and Benefits Awards.