That's according to he Irish Heart Foundation
It's warning it could counteract the benefits of regular exercise.
The message comes after a new study revealed 53 per cent of remote workers are sitting for nearly 3 hours more than they would in the office.
The Ipsos MRBI survey shows half of all workers in Ireland have been able to work from home since covid-19 restrictions were brought in.
Fitness expert Karl Henry says working at kitchen and bedroom tables is not good for people's posture: