DEAR SIRS, I AM A 59 Y.O.C. MALE WITH A PAST BACK SURGERY FOR HERNIATED DISC 20 YEARS AGO AT WHICH POINT THE SURGEON SAID I MIGHT HAVE DEGENERATIVE DISC DESEASE, AND A RECENT DIAGNOSIS OF SPONDOLOSIS MODERATE 3 YEARS AGO - - - WHEN I LAY DOWN TO SLEEP I FEEL LEG AND FOOT PAIN, USUALLY A BURNING SENSATION ON THE SIDE OF MY CALF. TURN OVER, AND A FEW SECONDS LATER IT STOPS, AND THEN THE OTHER LEG STARTS, SO I TURN OVER THE OTHER DIRECTION, AND REPEAT THE PROCESS OVER AND OVER UNTILL I TAKE A TYLENOL NO. 3 WITH CODENE. OFTEN I WAKE UP AROUND 4AM, AND THE PAIN WILL NOT LET ME GO BACK TO SLEEP, SO I GET UP AND WALK AROUND FOR 15 MINUTES, AND IT GOES AWAY COMPLETELY. IT ONLY HAPPENS WHEN I LAY DOWN . . . DURING THE DAY NO PROBLEM.