The medication Ambien (Zolpidem) is a non-benzodiazepam agent for relieving anxiety and helping people with insomnia get to sleep. It is often prescribed for people with TBI who suffer from insomnia. Jui-Hsiu Tsaia, a psychiatrist at Kaohsiung Municipal Hsiao-Kang Hospital in Taiwan, and his colleagues, heard that Ambien can cause sleep-walking and amnesia