Sleep specialist Roger Seheult M.D. of https://www.medcram.com/?utm_source=Youtube&utm_medium=Video&utm_campaign=Video+Link+Clicks&utm_term=Insomnia+Explained+Clearly+-+Causes%2C+Pathophysiology+%26+Treatment&utm_content=vdc8JonEax8 gives a brief overview of insomnia including the sleep stages, most common causes, and demographics. This is video 1 of 6 on insomnia. Speaker: Roger Seheult, MD Clinical and Exam Preparation Instructor Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine. MedCram: Medical topics explained clearly including: Asthma, COPD, Acute Renal Failure, Mechanical Ventilation, Oxygen Hemoglobin Dissociation Curve, Hypertension, Shock, Diabetic Ketoacidosis (DKA), Medical Acid Base, VQ Mismatch, Hyponatremia, Liver Function Tests, Pulmonary Function Tests (PFTs), Adrenal Gland, Pneumonia Treatment, any many others. New topics are often added weekly- please subscribe to help support MedCram and become notified when new videos have been uploaded. Subscribe: https://www.youtube.com/subscription_center?add_user=medcramvideos Recommended Audience: Health care professionals and medical students: including physicians, nurse practitioners, physician assistants, nurses, respiratory therapists, EMT and paramedics, and many others. Review for USMLE, MCAT, PANCE, NCLEX, NAPLEX, NDBE, RN, RT, MD, DO, PA, NP school and board examinations. More from MedCram: Complete Video library: https://www.youtube.com/c/medcram Facebook: https://www.facebook.com/MedCram Google+: https://plus.google.com/u/1/+Medcram Twitter: https://twitter.com/MedCramVideos Produced by Kyle Allred PA-C Please note: MedCram medical videos, medical lectures, medical illustrations, and medical animations are for medical educational and exam preparation purposes, and not intended to replace recommendations by your health care provider.