Do you believe that daily fitness training keeps you young longer? Do you think that getting up early is a sign of dynamism? Can you not imagine that being lazy can be healthier and strengthen your immune system? Then you absolutely need to read this book! Here you will finally find scientifically backed arguments for why it's good to be lazy more often, why too much exercise can make you sick, why late risers live longer, how relaxation and calmness can make you smarter and healthier, and why a winter vacation in the south can have life-extending effects. Saving life energy seems to be the key to health, success, and a long life.