Posted: Mar 06, 2021 4:00 AM ET | Last Updated: March 6 Researchers at Stanford University considered what it is about videoconferencing that causes such mental exhaustion for some people.(Girts Ragelis/Shutterstock) As a physiotherapist, Matthew Laing is seeing first-hand the consequences for many people who have been working from home for nearly a full year because of the pandemic. He says he frequently hears the same complaints from clients: neck, back and shoulder pain that bothers them throughout the day because they're stuck and not moving. "I've got clients who just don't move for eight hours a day," said Laing, who is based in Toronto. "We're human beings, we're not meant to be in a sedentary position, not moving at all."