"Recession" Everyone knows that migraines tend to be "after the event", no matter what kind of "event". For example, patients often complain that the attack begins after passing the exam, after giving birth, after a business success, after a thrilling, full of holiday impressions, and so on. D. Recurrent, repeating pattern such migraine is clearly visible on the example of migraine attacks "day" (which Sunday sometimes alternating with depression, diarrhea, colds and so on. d.) appearing on the background downtrend after a hard week of work. In more detail this situation, we will discuss in Chapter 9 and Part III.