article_snippet: But for one teenager, its spells the beginning of virtual hibernation - for fear of agonising pain.
article_snippet: Autumn's condition has left her confined to  home for fear of a painful attack; her can't even attend school .
article_snippet: As Autumn's condition became worse her parents had to make the tough decision to home school her.
article_snippet: her said: 'School became hard as no-one understood what was wrong and people judged me.
article_snippet: While it can start at any age, it appears to be those aged between 20 and 40 who are most affected. '
article_snippet: Her typical day now consists of waking up at 5pm. 
article_snippet: It's horrible watching Her grow up and not being able to help or know what's wrong. '
highlights_snippet: And means her is confined to her home for fear of a painful attack .
  
highlights_snippet: Teenager has to be home schooled and has become 'nocturnal' 