After ten years of using these pain relievers, your body is adjusting to the absence of their opioid component, which is causing these temporary symptoms. To help you recover comfortably, a doctor can prescribe generic medications. For anxiety and physical restlessness, clonidine or gabapentin is frequently prescribed. For insomnia, low-dose mirtazapine or non-habit-forming sleep aids can help restore your sleep cycle. Please consult a healthcare professional immediately. They can safely evaluate your health, tailor these medications to your specific needs, and guide you through a safe, comfortable recovery. You have done the hardest part; medical support will help you through the rest.