Effects of normobaric hypoxic conditions on sleep duration and quality in professional Australian Football League players - Herrera, C.P.; Farooq, A.; Coutts, A.; Bilsborough, J. C.; Hocking, J.; Cordy, J.; Racinais, S.; Buchheit, M. (17th Annual Congress of the European College of Sport Science (ECSS), Bruges, 4. -7. July 2012, 2012)