1. Using Sleep to Manage Headaches May Cause Insomnia - US News and World Report
And that may lead to more headaches, new study suggests

2. Migraine : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
A lot of people get migraines - about 11 out of 100. The headaches tend to first appear between the ages of 10 and 46. Occasionally, migraines may occur later in life in a person with no history of such headaches. Migraines occur more often in wom...• Reviewer: Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

3. Migraine Headache : Causes  (Trust Mark: Doctor-Reviewed)
The physiological basis of migraine has proved difficult to uncover. There are a multitude of potential triggers for a migraine attack, and recognizing one's own set of triggers is the key to prevention. PHYSIOLOGY. The most widely accepted hypoth...• Author: Belinda Rowland, Rebecca J. Frey PhD