There are many studies that have proven relaxation is good for us, as relaxation releases anxiety, helps us deal with stress and assists our bodies to deal with a whole host of health ailments. Because after all resting our mind and body helps us to feel better.
It might actually be your (powerful) hormones. And I'm not just talking about sex hormones here; I'm talking about the hormones that directly affect your blood sugar, metabolism, and appetite. Things that actually control your energy and weight.