Relationships between heart rate variability, sleep duration, cortisol and physical training in young athletes - Mishica, C.; Kyröläinen, H.; Hynynen, E.; Nummela, A.; Holmberg, H. C.; Linnamo, V. (Journal of Sports Science & Medicine, 2021)
Keywords: cross-country skiing; biathlon; junior elite sport; training; competition; stress; relation; heart rate; variability; hormone; sleep; recovery; performance capacity; sport physiology; Finland; heart rate variability; Turkey; endurance sports; biological and medical sciences; junior sports