Josh Hadfield who's from Somerset, developed narcolepsy and another condition after receiving the Pandemrix swine flu vaccine 6 years ago.
He's been awarded £100,000 in compensation by the government - money his mother says will help secure his future.
Below is Josh Hadfield having an attack - it was filmed by his mum to show experts just how his debilitating his illness can be.
The ten year old is laughing at a video - But the more emotional he gets the more likely he is to collapse - while still remaining conscious.
Until 2010, Josh was a normal, healthy little boy but then:
Josh wasn't diagnosed until February 2011, since then his family have fought tooth and nail against the Government.
Children are entitled to £120,000 through the Government's Vaccine Damage Payments Scheme, but only if they can prove "severe" disability.
There are around a hundred other children who have cases the pipeline, and that like Josh - have already slept away half their childhood.