How does poor sleep quality generally affect exercise performance?

Poor sleep quality has a significant impact on exercise performance, primarily by reducing motivation and energy levels. When an individual does not get adequate sleep, their body does not have the opportunity to recover properly, which leads to feelings of fatigue, lethargy, and decreased energy levels. This lack of energy can hinder workout intensity and duration, making it more challenging to engage in physical activity effectively.

Additionally, insufficient sleep can impair cognitive function, including focus and decision-making, further diminishing motivation to exercise. When a person feels tired and unmotivated, they may be less likely to engage in their workouts or push themselves to their limits, leading to overall decreased performance.

While the other options suggest positive improvements in various physical attributes, they do not accurately reflect the negative consequences of poor sleep. Stamina, coordination, agility, and strength are all likely to decline when sleep quality is compromised, highlighting the importance of rest in maintaining optimal exercise performance.