The second half of the day is upon us at that 11:15 am time. Obviously the post-lunch lull can grab hold of us and make it difficult to make it through the day. Everyone is in pursuit of optimal performance and health throughout the day. The key is cognitive function. Did you know there are very simple steps you can take to bolster your brain power as well. In an age where attention is the new limited resource, optimizing the brain is as critical as ever. Here are 5 easy ways to do just that before lunch.