I spend at least 9 hours on computer system when i am in office and also i spend some more time when i am at my room when do some work listen some meditation lectures or music. And computer is the most necessary need of today like cell phone.
Re: How many hours you spend on your computer daily??
We can spent many hour on computer depends upon our work. We should take care of our posture of sitting and if necessary the eye glasses also good option for health.