I have had a shoulder joint replacement 8 weeks ago and want to s...

I have had a shoulder joint replacement 8 weeks ago and want to stop and have done now for 3days but it seems to have an affect of making me, figity, of a night, I also take co-codomol, two of a night to see me through the day as I have reconstructed hips as born with dislocated hips and have knee replacement also now shoulder and knee needs replacing on other side. I go to bed sleep, for maybe two hours, then wake, and am fidgety, on and of all night ,but don't want to take the tramadol or co-codomo30/500 had them for years what do i do have affects trying to sleep please help how do I get off these damn pills. I have only been having tramadol on and off now over 8 weeks sometimes 2 a day but usually no more if IU can help it but haven't had any for the last three days I am trying to only stick with the co-codomol at night. I want to come off those also have had them now for 8 years what can I do