she use to run in her wheel THAT "S on her cage now she dont i dont know whats wrong with her

hamsters are nocturnal, so shes probably gotten used to her surroundings

it may be that she pulled a muscle and may be trying to rest to heal or maybe she feels lonely and she wants a buddy if you want, get a male and have babies if you can, if not just get another female hamster to play with so shes not lonely ... if you do decide to let them have babies, when the pups are born, keep the male away and dont touch the babies without gloves. the male will eat the babies and if you touch the pups without gloves , the mother is most likely to kill the pups and eat them also ...... hope i help:):):).: Alex:.

Well, there's two things that could be wrong ...

1. She is getting old (you didn't mention how old she is ...)
2. She is sick (take her to a vet if you can! !)

Hope your hamster's ok and hope this helped!!

Smiley !!=]

Hamsters are nocturnal. She is really alert when you are asleep trust me. She's ok:). But if you are really worried take her to an exotic vet.