What is a powerful sleep aid?

Sleep: Are you taking about drugs or otc products? Your doctor has prescrition soporifics tthat are more potent than otc but have the potential for tolerance and habituation. Discuss it with him. What is the cause of the problem.

Why are you asking: If you need a "powerful" anything, then you may have a serious medical problem. Sleep disruptions are very common, with many causes. Please see your doctor to discuss your sleep hygiene, substance & alcohol use, breathing, general health, stimulant use, and psychosocial stress - all of these impact your sleep. Don't drug it out, find why you have the problem.