Sonata is a sedative, also called a hypnotic. It affects chemicals in your brain that may be unbalanced in people with sleep problems (insomnia). Sonata causes relaxation to help you fall asleep and stay asleep. The dose of Sonata should be individualized. The recommended dose of Sonata for most nonelderly adults is Sonata 10 mg. For certain low-weight individuals, Sonata 5 mg may be a sufficient dose. Buy Sonata Online According to your Requirement.