Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Gregg L. Friedman MD, Psychiatrist, Hallandale Beach, FL

Narcolepsy, A Funny Disorder that is no Laughing matter is a wonderful book. It is well written and easy to understand whether you are a patient or a physician. It covers this interesting illness in great detail. You will learn what the Narcoleptic tetrad is and you will also learn about various treatment options such as provigil and nuvigil. By Gregg L. Friedman MD, Psychiatrist, Hallandale Beach, FL