Results vary.. Ambien (zolpidem) is a sleep medication designed to provide you with uninterrupted sleep for about 8 hrs. There can be unwanted and even dangerous side effects. Sleep walking. Sleep eating sleep driving. If you are tryiing to trip on Ambien (zolpidem) and use it for purposes other than to treat insomnia the results are not predictable. An overdose of Ambien (zolpidem) with or without other drugs may be your last trip.