insomnia
"It does work very well. It's quite similar to Ambien, but the taste bitter, and makes it very difficult to let it dissolve under your tongue for a few minutes without vomiting. Aside from that, though, it takes only minutes from the time it finishing dissolving before it kicks in. Pop the pill in your mouth, and 5 or 6 minutes later, you won't be able to keep your eyes open. It's pretty impressive, actually."