article_snippet: But Mathilda soon developed narcolepsy, suffering from terrifying nocturnal hallucinations and excruciating pain .
article_snippet: convinced that the vaccine against it has left Mathilda with severe narcolepsy.
article_snippet: Mathilda is the youngest known person in the world to be diagnosed with the neurological condition, which causes sufferers to suddenly fall asleep during the day.
article_snippet: Mathilda also had terrifying nocturnal hallucinations and excruciating pain.
article_snippet: Now Mathilda is part of a protracted legal battle against the Government for compensation for vaccine-related narcolepsy.
article_snippet: Mathilda first troubling symptoms developed within two weeks.
article_snippet: Mathilda’s first troubling symptoms just got worse
article_snippet: Mathilda began receiving Xyrem, a drug that helps with symptoms of narcolepsy, possibly by affecting chemical messengers in the brain.
article_snippet: Mathilda sleeps restfully at night for three hours at a time.
article_snippet: ’ Claire Crisp says this attitude is born out of ignorance: ‘the condition has destroyed about 70 million neurons within Mathilda’s brain’s sleep centre.
article_snippet: Mathilda's drug treatment has been 'life-changing' and Mathilda sleeps restfully at night for three hours at a time .
highlights_snippet: Mathilda is the youngest known person in the world to be diagnosed with narcolepsy .
  
highlights_snippet: Mathilda began receiving Xyrem, a drug that helps with symptoms of narcolepsy .