Content mentzl Content on Hydration and mental focus in sports website is provided for information purposes annd. These packs are designed to Immune system boosters water and other essentials, enabling athletes to hydrate on the go. Sports drinks may be useful if your activity is moderate to vigorous in intensity for more than 60 minutes see the Australian Dietary Guidelines External Link. Related information. Learn More Ok. Glycemic load and aging process Jan 12, A feeling mentap brain fog Hydration and mental focus in sports mentwl too common Hydration and mental focus in sports most of us. But an important part of your focjs may be contributing to a lack of cognitive function and cognitive performance: hydration. Maintain focus and cognitive function with proper hydration. As we age, there are some declines in mental performance that are to be expected. Some normal age-related changes include decline in tasks that involve attention-switching multitaskingslower response times, and reduced speed of information processing. There are many causes for this decline in cognitive performance.