What is one technique that can improve physical performance in addition to adequate sleep?

Arousal control is a technique that can significantly enhance physical performance. This concept involves managing one's level of psychological arousal to optimize performance. Arousal can be understood as the state of alertness and energy that helps athletes engage fully in their activity. Effective arousal control can lead to improved concentration, focus, and motivation, which are crucial for peak performance in physical tasks.

Practices such as deep breathing, visualization, and mindfulness can help athletes manage their arousal levels, helping them to achieve an ideal state of readiness without feeling overly anxious or too lethargic. When properly harnessed, this can lead to better reaction times, enhanced endurance, and overall improved performance in various physical activities.

Other options, while they might contribute to performance, do not directly correlate with the psychological aspect of arousal management. Increased caffeine intake can provide a temporary energy boost but may also cause jitteriness in some individuals, which could hinder performance. Advanced nutritional supplements can support physical capacity but may not directly address the psychological state essential for optimal performance. High-intensity training can enhance strength and endurance but doesn't directly address the mental aspects or the management of arousal levels that can affect immediate performance. Therefore, arousal control stands out as a critical technique for improving physical