Just like the rest of the body, the brain isn’t meant to work for hours on end; it requires breaks, variety, rest, and maintenance. Accepting your mental limitations means acknowledging that you have a limit on how much mental work…
… to free up thinking along non-linear paths, leading us to find new solutions to existing problems. So while you might be exhausted right before bed, take some time to work on a solution to a tough problem, think up new innovations, or work on creative pursuits.