Insomnia Support Group
Insomnia is a symptom, rather than a disease, and is characterized by inadequate quantity or quality of sleep. People with insomnia complain of difficulty falling or staying asleep, which results in significant impairment of daytime functioning. Insomnia is categorized as transient (shorter than one week), short-term (one to three weeks) or chronic (longer than three...

That being said, one of the side effects I didn't know was from ambien that was effecting me was that I was having memory problems even during the day. I was losing chucks of time, forgetting people, events, where I was, what I did, who I saw, where I parked my car, etc etc. It was scary. Another scary side effect was I found out that I was doing things in my sleep. Moving furniture around, trying to book tickets to Italy, sending garbled emails to people, walking around, etc. I was wondering why I kept waking up with like 20 bruises on my arms and legs. So the doc took me off the med.