insomnia
"I was taking Lunesta, which is fantastic, however Blue Shield would not cover this drug until I first tried regular Ambien and then Ambien CR (in that order). Regular Ambien only put me asleep for about 2 hours. Ambien CR would work for a full night. However, both versions of Ambien gave me a dull headache as they were taking effect. The next 1-2 days following, I'd be in a really foul mood, depressed, anxious, and a real "fight picker" with others. No such problems with Lunesta. Luckily, my employer switched to Blue Cross, which does not pay for Ambien CR but does pay for Lunesta, so I'm in luck. I wish these insurance companies would just let doctors prescribe whatever works..."