You feel like swimming against the tide all the time? It would be better to give more attention to your biorhythm to get more from life. You often wake up at about the same time, even before the alarm goes on? You know why this is happening? There is a very simple explanation: your inner clock works, and your body automatically adjusts itself to a state of complete rest during the night. In your body has already begun the production of stress hormones, known by doctors as ACTH (Adrenocorticotropic Hormone).