Insomnia
"I&#039;ve taken 12.5 mg Ambien CR on an off for 3 months now.  Within the last two weeks, it&#039;s been more like every day.  I was so groggy all day. Also, I&#039;m not sure I slept... It was more like just being turned off rather than in a state of recuperative sleep.  I cut the pill in half last night and had only 4 hours of sleep, where I awakened twice.  I still feel more refreshed than ever, probably because this is the first time in weeks I don&#039;t have an ambien hangover.  It&#039;s a great medicine, but I&#039;d like to ween myself off of it.  I suspect it&#039;s either causing depression, or is amplifying a depression I didn&#039;t know I had."