I was sleeved May 1,2012 - I had the same feeling, I was really nervous about everything,my friend told me she would stay with me a week or so after surgery so my other half would not have to take off work - well she could not stay with me after all - I felt sooo "p" off -but only because I was scared - if it makes you feel better, plan on someone staying with you for a week or so. You should be able to do everything on your own sa far as getting out of bed, fixing your shakes, ect, BUT My sister came over and stayed during the day and just her being here for me was a blessing. I was able to nap without worrying about everything. So I say YES, if you and your sister are close and get along - have her over with open arms - you will rest much better
Good luck and I know you will be just fine !!!