insomnia
"I was prescribed the generic version (blue pill) because I had trouble falling and staying asleep.  I would fall asleep in about 30-60 minutes, but only to stay asleep for 2-3 hours!  Than, I was wide awake.  This also left a horrible, bitter-like taste in my mouth the next day, especially when I drank water or tea.  I would not recommend this.  Perhaps, the brand name version doesn't have this nasty after taste and lasts longer.  But, if your insurance does not cover brand name, I would skip this drug.  I would go with Ambien.  My Dr prescribed the generic version of Ambien and it works better than generic Lunesta!  I fell asleep within 15-20 minutes of taking it and stayed asleep for about 4 hours.  Still not enough sleep though..."