Basically when you put a 1 hour walk into your schedule, you do it every time over and over again, which really becomes a habit, a good one, so without realizing you always can find time to take a walk for 1 hour if you really focus on it. Also, if you dont have time for a 1 hour walk, that means that you have to wake up early to find time, and studies show that waking up early every day also gives you a boost in health so you don't feel drowzy or anything, which means its not a problem if you have any schoolwork, you will focus much better.
