Many of us are familiar with some form of the throbbing, uncomfortable, and distracting pain of a headache. The World Health Organization points out that nearly everyone experiences a #headache once in a while.
Headache and sleep disorders are related in several ways. Sleep disorders occur in headache patients, headache is a common manifestation of sleep disorders, and secondary disorders may cause headache and sleep complaints. Excessive daytime sleepiness (EDS) or excessive somnolence is a common symptom, with a prevalence of 10–20% in the general population