Hi my name is Sarah aka chevy girl I just wondering if u had any ideas for me about getting comfortable sleep I just had surgery yesterday Pre leep and got my tubes tied burned and cut having alot of pain the doc she gave me zofan for the sickness and oxys and ibroprfaion 600 they work for about n hour then back to the pain I have a heating pad how long do u use it at a time this is my first surgery so thank u for all that can answer my?s