Zolpidem (Ambien) is also called the sedative-hypnotics drug class. People suffering from insomnia often rely on the drug to help them fall asleep, which in turn helps them avoid fatigue during the day and enjoy regular sleeping patterns. It is a gamma-aminobutyric acid (GABA) A positive receptor modulator. It is available for oral administration in the form of 5mg and 10mg strength of tablets.