To stop computer ediction
(1)first thing to do is take some extra time to do other things. Like have food slowly, take bath for some extra time like 5 -10 min more.
(2)Pay more attention to ur other interests. Like painting, or listening to music, swiming, reading etc.
(3)Take a walk for 1/2 hr everyday.
(4) Spend more time with family or friends. You can talk to them.
You have to do it day by day. Start decreasing ur time 1/2 hr everyday. And make a sincere effort. It will really help.

