Nitrazepam is a type of benzodiazepine

Benzodiazepine

A benzodiazepine is a psychoactive drug whose core chemical structure is the fusion of a benzene ring and a diazepine ring...

 drug and is marketed in English-speaking countries under the following brand names: Alodorm, Arem, Insoma, Mogadon, Nitrados, Nitrazadon, Ormodon, Paxadorm, Remnos, and Somnite. It is a hypnotic drug

Hypnotic

Hypnotic drugs are a class of psychoactives whose primary function is to induce sleep and to be used in the treatment of insomnia and in surgical anesthesia...

 used in the treatment of moderate to severe insomnia which has sedative

Sedative

A sedative or tranquilizer is a substance that induces sedation by reducing irritability or excitement....

 and motor impairing properties, as well as anxiolytic

Anxiolytic

An anxiolytic is a drug used for the treatment of anxiety, and its related psychological and physical symptoms...

, amnestic, anticonvulsant

Anticonvulsant

The anticonvulsants are a diverse group of pharmaceuticals used in the treatment of epileptic seizures. Anticonvulsants are also increasingly being used in the treatment of bipolar disorder, since many seem to act as mood stabilizers, and in the treatment of neuropathic pain. The goal of an...

, and skeletal muscle relaxant properties.
Nitrazepam is available in 5 mg and 10 mg tablets.