Insomnia Support Group
Insomnia is a symptom, rather than a disease, and is characterized by inadequate quantity or quality of sleep. People with insomnia complain of difficulty falling or staying asleep, which results in significant impairment of daytime functioning. Insomnia is categorized as transient (shorter than one week), short-term (one to three weeks) or chronic (longer than three...

Vistaril is a prescription antihistamine that is often used for sedation purposes, and is also used as an anti anxiety med....there's also Trazadone which is a very old tricyclic antidepressant which is now more commonly prescribed for sleep.
Wishing you all the best...