How can i stop being so lazy?

I have the same problem myself. It is one reason why I am struggling to get back into school. Here is an idea. I myself enjoy going to the library. Its a peaceful place and idiots don't usually go into libraries. You can try going to a library or find a secret place that you enjoy like a place in the woods or at the lake. When you are at home it is so easy to say "Later... I just want to sleep or I just want to sit here and not worry" When you are in a different environment away from home it may be easier to stay focused on med school positively. Also good luck with med school. I respect you for choosing such a great career.

Your best bet is to get rid of all distractions.

Whatever you've got that could distract you,
put it in a box,
wrap it duct tape,
cover it up,
whatever.

When I go off to med school, there's no way in hell that I'm gonna bring my TV, or playstation.

The next thing is goal planning and organizing.

Med school involves copious amounts of work.
And in order to get by, we need to learn how to set goals,
divide up the workload on a day-by day, week-by-week basis,
and stick to the plan.

I know that these strategies sound very simplistic and mundane.
But there really is no easier way to do this.

Above all else, even intelligence, med school demands discipline.

You want to be a doctor?
You need to prove it to yourself.

Thanks a lot guys.:D