Ambien is a fast-acting oral prescription medication for controlling insomnia, frequent waking in the middle of the night, and mild sleep disturbances. It belongs to the class of non-benzodiazepines, also called sedative-hypnotics. Ambien 5mg It is recommended for short-term use as prolonged use of medications may cause recurrence of insomnia. It can instantly help you get a good night's sleep. It also works by producing a calming effect on the brain and hence, it helps you get a good night's sleep.