The Par brand seems good, but other generics have decreased effectiveness or NO effect at all. I end up feeling extremely sleepy and in a fog all day. Now, the pharmacy has informed me that they can no longer order the Par brand. My insurance will only cover generic. I've called other pharmacies in the area, but none carry the Par brand. I hate to waste my money on a generic brand that isn't effective for me. Provigil has helped me live a normal life and I am so thankful for that. What would you suggest?