https://medixway.com/sleeping-pills/zolpidem/Zolpidem is used to treat insomnia (difficulty falling asleep or staying asleep). Zolpidem belongs to a class of medications called sedative-hypnotics. It works by slowing activity in the brain to allow sleep.Zolpidem comes as a tablet (Ambien) and an extended-release (long-acting) tablet (Ambien CR) to take by mouth. Zolpidem also comes as a sublingual tablet (Edluar, Intermezzo) to place under the tongue and an oral spray (Zolpimist), which is sprayed into the mouth over the tongue. If you are taking the tablets, extended-release tablets, sublingual tablets (Edluar), or oral spray, you will take the medication as needed, not more than one time a day, immediately before bedtime.