narcolepsy
"Ever since I was age 13, I would have sleep attacks almost everyday; about 5 days out of a week. It really affected my school work, because I just couldn't force myself to stay awake. Two years ago, when I age 18, I finally investigated of why I was having these sleep attacks. I was eventually diagnosed with Narcolepsy from a Neurologist. He put me on Provigil, 200mg in the morning and 100mg in the afternoon. Within a week I noticed a huge difference. I've never felt so awake and refreshed in years. Now I'll only have around 10 sleep attacks per year. The only flaw this drug has is its price. MAKE SURE your insurance covers it. They may not at first, but give them documentation on your condition and they will."