Yes: Melatonin is an over the counter substance that many people take to aid sleep. It is available in many places where herbs or supplements are sold. Also, GABA is used by many for aiding sleep. It is also available over the counter.
Answered 7/23/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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