What are the side effects of Sonata?
Sonata® (zaleplon) is a prescription medicine for people who have trouble sleeping,
a condition known as insomnia. The most common side effects of Sonata® include stomach upset,
weakness, dizziness, headache, and muscle aches. Less frequently, Sonata® may cause memory
problems. Sonata® doesn't seem to cause morning drowsiness after you've slept. Because Sonata®
is a sleeping pill, it does cause drowsiness. Don't take it before driving or operating
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