Bedwetter 4 ever

Lisa is 10 years old and is a bedwetter. She has 3 other siblings which are Lottie, who is 12, Laura, who is 8 and Lilly, who is 6. She is the only bedwetter in the family and she always has to turn down invitations for a sleepover because she still wears pull ups in the night. Her mum and dad finally get tired of washing her sheets and pjs every morning so they start to punish her. Will she ever stop wetting?