Patients with a tension headache, as a rule, describe it as diffuse, mild or moderate, more often bilateral, non-pulsating, compressive in type of "hoop" or "helmet". The pain does not increase with normal physical activity, it is seldom accompanied by nausea, however, photo or phonophobia is possible. The pain appears, as a rule, soon after awakening, is present throughout the day, then increasing, then weakening.