article_snippet: Mrs Thomas called 999 and his was taken to Sheffield Children's Hospital. '
article_snippet: Doctors carried out scans and the results showed a bleed on the brain,' Mrs Thomas said. '
article_snippet: his face was blank and his couldn't speak,' said Mrs Thomas. '
article_snippet: Doctors said the trauma of the bleed and subsequent surgery had caused his to regress.
article_snippet: Mrs Thomas said: 'One day I was in the kitchen, when I heard his yelling in his bedroom. '
article_snippet: I wondered what on earth was going on -
article_snippet: the expletives were coming thick and fast.'
article_snippet: Experts say every patient reacts differently. '
article_snippet: We asked the doctor about it and apparently it's quite normal for people to develop inappropriate or aggressive behaviour after waking up from a coma.