6. You don’t eat breakfast
There’s a reason that breakfast is called the most important meal of the day, and everyone has told you not to forget it—from your doctor to your mother, to probably every teacher you’ve ever had. And yet so many of us still skip it on a regular basis, or just cram down a few pieces of toast before heading out the door. Take the time to fit in breakfast every morning and it will help you avoid that mid-afternoon crash.