Haloxazolam is a drug which is a benzodiazepine

Benzodiazepine

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

 derivative. It has similar hypnotic

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...

 properties as the benzodiazepine drugs triazolam

Triazolam

Triazolam is a benzodiazepine drug. It possesses pharmacological properties similar to that of other benzodiazepines, but it is generally only used as a sedative to treat severe insomnia...

, temazepam

Temazepam

Temazepam is an intermediate-acting 3-hydroxy benzodiazepine. It is mostly prescribed for the short-term treatment of sleeplessness in patients who have difficulty maintaining sleep...

, and flunitrazepam

Flunitrazepam

Flunitrazepam is marketed as a potent hypnotic, sedative, anticonvulsant, anxiolytic, amnestic, and skeletal muscle relaxant drug most commonly known as Rohypnol...

 and as such is indicated for the treatment insomnia

Insomnia

Insomnia is most often defined by an individual's report of sleeping difficulties. While the term is sometimes used in sleep literature to describe a disorder demonstrated by polysomnographic evidence of disturbed sleep, insomnia is often defined as a positive response to either of two questions:...

. A study in cats comparing estazolam

Estazolam

Estazolam is a benzodiazepine derivative drug developed by Upjohn in the 1970s. It possesses anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant properties...

 and haloxazolam found that haloxazolam only effects gamma motor neurons, whereas estazolam effects both alpha and gamma motor neurons.