I'm just beginning to get going. I'm 2.5stone overweight & boy, doesn't my body know it. After a nervous breakdown I barely moved for 3 years & I'm now starting to get going again but I'm having to do so at a gentle pace. My problem is, my body doesn't shut up after exercising & I can't relax. Today I walked about 10k steps (used to only do 1k) but after I'm completely shattered & need to lie down for a nap. But now it's nearly bedtime I can feel my body won't relax. It's like my muscles are all agitated. How can I get around this so I can get a decent nights sleep?