Hell just wear for an hour, then take a break for a while, as one is usually advised with regards to PC usage. At least this way, I could actually do stretches

Hell just wear for an hour, then take a break for a while, as one is usually advised with regards to PC usage. At least this way, I could actually do stretches and exercises while watching some video. Even prolonged usage of a smartphone is painful. So is prolonged usage of any computing device.