Why does my body tingle when I use my laptop?
For one maybe there is a loose connection and you might be getting a mild electric shock another thing can be that you are keeping in on your lap and working for long hours. That kinda disrupts the blood flow due to weight and you can feel that way.
Your body may tingle when you are using your laptop due to static electricity. Or if using a macbook this may be due to using an older magsafe or it not being properly grounded.