Cluster Headaches and Sleep Apnea. Cluster Headaches caused by sleep apnea and sleep apnea sequelae may be eliminated with treatment of apnea

All patients with cluster headaches that have onset during sleep should be evaluated for sleep apnea. Sleep apnea causes hypoxia (drop in oxygen) and a rise in CO2. Oxygen therapy is a recognized and effective treatment for sleep apnea. Prevention of many cluster headaches can be addressed by correcting sleep problems. During apneic events the patients quit breathing oxygen drops followed by