Heart-rate variability during deep sleep in world-class alpine skiers: a time-efficient alternative to morning supine measurements - Herzig, D.; Testorelli, M.; Schäfer Olstad, D.; Erlacher, D.; Achermann, P.; Eser, P.; Wilhelm, M. (International Journal of Sports Physiology and Performance, 2017)
Keywords: alpine skiing; heart rate; variability; measuring procedure; sleep; heart rate variability; biological and medical sciences; strength and speed sports; technical sports