Sonata is a drug that helps the individual to fall asleep. It is for the individual who has a sleeping disorder or sleeping problems. It helps you to fall asleep, just take a pill before going to bed. These medicines should be taken for a short period of time. If an individual taking for a longer period should consult a doctor. These medicines should not be taken before going to work. Side effects of Sonata are short term memory loss, anxiety, joint pain, stomach pain. The best sleeping pills available in the market. It works fast and rapidly.