7. Aim To Sleep At Least 8 Hours Per Night

You've seen little kids go crazy when they're too tired. Adults are the same, except we don't usually pass out in the middle of our plates.When you're too tired, you make bad decisions, your mental toughness is reduced, your rational thoughts turn to those of a 6-year-old, and your body responds by increasing stress hormones.Make sleep a priority this year to stay mentally strong.