Dear Cait
I have a VNS but don,t have sleep Apnea but I do have a Sleep Disorder where I can not sleep some nights.I got a VNS put in 2003 and till this day I could not tell you if it has done me any good like birdbomb said this is not a magic pill for all.but I do hope this helps your daughter and you also can find out if she can wear the cpaps,
I am familar with this machine my husband wears it at night.he has Sleep Apnea so best of wishes.