I Have To Do More Exercise

I always feel very tired after back from office. Even though I spent many hours on sleeping, but I just could not have a good sleep. Some of the friends suspect this is because of I have no doing any exercise. I am suspecting the same thing too. My healthy has become worst after I stop jogging. I am like to do exercise 5 years ago, my healthy is not as bad at that time. I am thinking to buy a treadmill exercise machine, so that I could do exercise at home. I hope I could improve my health through doing more exercise.