The chronotype is not learned, but follows a genetic predisposition. As a result, we cannot choose whether we are early or late types. I am therefore often asked whether the chronotype can be changed over the course of life or by certain external factors. My answer is: Yes and no! The basic chronotype does not change. Anyone who is anRead More →

Bear, wolf, dolphin, tiger, gorilla, lion – a completely different chronotype-definition comes from America, that we address here at least once and with the classic chronotypes owl, dove and lark. Michael J. Breus, Ph.D., is a clinical psychologist and a member of both the American Board of Sleep Medicine and the American Academy of Sleep Medicine. According to his websiteRead More →

Very few people will have come across the term DLMO so far. In addition to scientists, it will be known mainly to those who have been chronotyped in our projects. Whoever orders the blood test for chronotyping receives a time point as a result, i.e. the DLMO. But what exactly is the DLMO? We give you an answer.   DLMORead More →