On a different note, people who are burdened by despair and depression can feel totally exhausted. They may believe that they will feel better if they can just sleep more and more.
Enter The Paradox of Exercise -- taking a few minutes to exercise can actually increase your energy. That's where the "paradox" comes in. How can something that "uses up" your energy actually end up increasing it? And yet it does.
In addition to increasing your energy, exercising with your friends, your spouse, or your family has the added benefit of allowing you to spend time with the folks that are important to you.
Other benefits to exercise -- in the fight against diabetes and the battle against Alzheimer's disease.