Last updated at 09:27

What's it like having to go to hospital?

To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.

Winter is a very busy time of year for hospitals, with more people needing to see a doctor.

Some people are worried hospitals are now getting too busy and overcrowded, meaning patients are having to wait a long time to be seen by a doctor.

How is this affecting children who get injured and need to go to hospital?

Jenny went to a children's hospital in Sheffield to speak to a doctor and find out.

She also meets Lilly and Jake, who have come to hospital needing treatment, to see how their experience went.