In a study of youths 4-19 years of age, Finland's National Institute for Health and Welfare finds that those given the Pandemrix swine flu vaccine were nine time more likely to contract narcolepsy, a rare sleep disorder, than those not vaccinated.
http://www.france24.com/en/20110201-swine-flu-vaccine-likely-causes-child-narcolepsy-study-0, http://www.aolhealth.com/2011/02/01/swine-flu-shot-narcolepsy/