With other medications I took for sleep (Benedryl, Cymbalta alone, OTC sleep aids... etc.) I would fall asleep, but not stay asleep, or I wouldn't feel rested when I woke up. Now I stay asleep until the alarm goes off for work. On my days off I still wake early, and am often ready to get up.
It's primarily an anticonvulsant and antipsychotic, which covers an array of illnesses that affect the brain, such as epilepsy, schizophrenia and mania in bipolar disorder. Off-label uses include Anxiety, Tourette's Syndrome, Autism, Obsessive-Compulsive disorder, Alcoholism, Parkinson's Disease and Insomnia.