In my experience it is very normal. In my experience it is time to start thinking about eating well and very light exercise. We can learn to spend our time being well, or go back to all the pain. Take this time to move forward while you have the chance.
"No energy, grouchy, headache, restlessness."
You can get through this. Just hang on a little longer and just start to think about what you can NOW do, versus what prison you are trying to escape from. I promise there isn't a soul reading this that hasn't been through, or is currently going through this here.
9 days! That is awesome!