Some nights, falling asleep is the most elusive thing on earth. No matter how hard you try, you can't capture it. Now, you can capture the sleep you need, when you need it, with Sonata. Like other sleep aids, you can take Sonata at bedtime. But Sonata is the first and only prescription sleep aid you can take later if you have at least 4 hours in bed before becoming active again. You'll fall asleep fast and still wake up naturally, ready to start your day. Until you know how you will react to Sonata, you should not drive or operate machinery. Common side effects are headache, dizziness, and drowsiness. Do not drink alcohol while taking Sonata. Patients who abuse prescription sleep aids may become dependent. Prescription sleep aids are most often taken for 7 to 10 days, as needed. Your doctor will advise you about taking them longer. Ask your doctor about your sleep problem and how Sonata can help. Capture the sleep you need when you need it with Sonata.