The last thing anyone wants to do during opiate withdrawal is exercise. But it’s the first thing your brain and body needs in order to heal. Healing may take some time. You must realize the necessity of exercise to heal opiate withdrawal pain and make sure that you push through, no matter how much energy you seem to lack.
Thousands of years ago, our ancestors were required to move around for the majority of their day. They were hunters and gatherers. If they did not go out to get food for sustenance, they would starve. Their bodies used up a ton of energy because it took more than a few hours in order to find food. People were much healthier back then.