hi. i hated waiting for my overdue baby, she came at 40+10. i didn't have a sweep, i didn't want one, i was booked in the next day for one, not through choice! that was the latest my midwife would leave it as she said you have to have a sweep before 42 to say that you've had one and tried it before you go to hospital for induction. baby will come when ready, i'd cancel the sweep personally and wait and wait and wait!!! if you're not wanting one you could ask for one booked at 40+10 or 11. they can't force you, only advise and you've got untill 42weeks. the sweep will probably only work if baby's about ready anyway. it could give you pain for no reason.
before mine came, i had no sign that she would be making her apperance any time soon, nothing, no braxton's, no show, no waters, but she did! i went to bed and woke half an hour later with pains.
try and make plans for every day, even if it's just going a walk, do something to take your mind of when? when? when?!!! fingers crossed for you both!