vadimovich zilov, an endocrinologist, candidate of medical sciences, associate professor, department of endocrinology, sechin first moscow state university, member the presidium of the russianon for the study of diabetes mellitus. alexey vadimovich good morning good morning alexey vasilyevich and what does a person usually experience with chronic fatigue? the first thing i would say is insomnia, we are actually quite healthy overloaded with emotional impressions and in this regard, a person takes a long time, but it takes time just to calm down, to come, what is called harmonization with oneself and, uh, more or less normal fall asleep from here the lack of time that we spend not being awake, resting, of course, affects the general. eh, in this unfavorable background , the problem also lies in the fact that, especially in the winter period, we often have headaches. we get lethargic. really. this state is familiar to many of us. and unfortunately, in addition to sleep disturbances, in addition to lethargy, apathy, bad mood, many complain of some kind. personality for headaches, that is, for purely somatic signs such as these, which, in fact, do not improve either the quality