Erling Haaland's explosive pace, towering frame and clinical finishing have made him one of football's most feared strikers. But behind the goals lies another weapon that has become central to his success — an unwavering mental approach to overcoming fatigue. Whether enduring gruelling training sessions in oxygen-deprived conditions or delivering match-winning performances on the world's biggest stage, the Norwegian star believes the mind often sets the body's limits. His simple mantra, "I'm not tired," reflects a growing body of scientific research suggesting that changing how we think about exhaustion can help us perform beyond what we believe is possible.