What is the best natural remedy for having trouble sleeping?

Jun K asked:


My father is 63 years old and is experiencing difficulty falling asleep. This has been happening for the past couple years, most likely due to stress. I researched some natural sleep remedies, such as valerian and chamomile. Any recommendations on natural herbs/remedies? Any side effects? Hopefully the remedy does not encourage vivid dreams because my father tends to get sleep paralysis often.

Thank you.


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