Traveling tampons

I heard that if you sleep with a tampon in it can travel up through you, but I also heard that it wouldnt beacuase your cervix is in the way, if I sleep with tampon in or wear one during the day can it travel up through me? also are the rayon or cotton tampons better?

ok uhh whoever told you tampons could 'travel up through you' is messed up in the head because that is most definitely not possible.
sleepin with tampons in is not good because you are at risk of TOXIC SHOCK SYNDROME (TSS) which could kill you.
you are supposed to change your tampon every 4-6 hours so you arent at risk of TSS.
have fun and experiment with the cotton tampons.
be safe kid.