Sleep is a vital component of every person’s overall health and well-being. Sleep allows your body to repair itself for another day. The body automatically removes toxins, which have build-up, in your brain, while you are awake. Poor sleep is strongly linked to weight gain because you cannot control, your appetite. A night of good sleep improves concentration and productivity, as well as athletic performance in any area. If you don’t sleep, well, you are playing with the following: Heart disease, stroke, reduced capacity for glucose metabolism, type 2 diabetes risk, depression, reduced immune function, and increased inflammation.