hypersomnia
"I have just started using this med after extensive sleep testing.   Due to medical reason and just my own internal clock I seem to have a combination of Insomnia and Hypersonmia.

I'm currently only prescribed 100 mg 1/day.  I guess I was hoping for a magic bullet, but the first day I took it I promptly fell back asleep.  The second day I was able to stay away and actually focus on getting things done.  Today I slept for 36 hours straight in spite of taking it and am ready to go right back to bed.  It also gives me some killer headaches.

Being so new to it, and having seen positive results on one out of three days, I'm hoping that they'll be able to increase my dosage when I check in with the specialist in a couple of weeks."