Rachel Darken, MD, PhDProfessor of NeurologyChief, Adult General Neurology & Headache Medicine Phone: 314-362-4342 Click to see this content Specific: headache, migraine, sleep apnea, cluster headache, idiopathic intracranial hypertension, intracranial hypotension, facial pain, migraine, hypersomnia, sleep apnea, restless leg syndrome, sleep medicine, sleep disorders, cataplexy, narcolepsy, insomnia, snoring Common: adult general, headache