Scientific article 1. APR 2014 Health, social and economic consequences of hypersomnia A controlled national study from a national registry evaluating the societal effect on patients and their partners Authors: Poul JennumRikke IbsenKirsten AvlundJakob Kjellberg Authors Poul JennumRikke IbsenKirsten AvlundJakob Kjellberg About this publication Published in The European Journal of Health Economics