insomnia
"Been taking this for years. The only thing that has worked for me. I can stay up all night without it. I have learned you have to go to bed hungry, that way it has nothing to compete with in your stomach.  No side affects the next morning. Get about 4 to 5 hrs now which is good for me. Now if my insurance would pay for this! Just got new insurance this year and they consider this a tier 4 medication. Don't know which is worse. Going broke or not getting any sleep."