I am using it for a sleeping aid - however it is also known as the 'date rape drug' - let me tell you, I can understand how women or men can sucumb to its 'known reasons for use...' - dangerous!!! ## The name brand is Xyrem and it is manufactured by Jazz Pharmaceuticals. Thus the FDA lists its typical side effects as possibly including headache, irritability, insomnia, and weight loss. It is most commonly used to treat narcolepsy, and excessive daytime sleepiness, but it has been known to cause somnolence in some people that take it, which might be why it helps you to sleep. NDC code: 68727-100 However date rape drugs are usually considered to be substances such a Rohypnol, or Ketamine, that does cause drowsiness in most people that take them, sometimes complete unconsci...