Light is kind of an antidepressant, splinticle and tree outside. You don't have to go take an appointment with a shrink. Anyways, that appointment will keep you waiting for 4 to 6 weeks anyway. Number five is we should not forget exercise. Even in our exercise tissue, the musculoskeletal system has clocks. And one of the big thing is a muscle-circ program to have best muscle tone late afternoon. So this is for people, athletes who want to maximize their athletic performance.