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CBD Placebo and Expectancy
CBD placebo and expectancy effects inflate short-term calm and sleep reports—blinded trials often show smaller benefits than marketing testimonials.
CBD placebo and expectancy effects are large in pain and anxiety trials—belief, ritual, and cost of a product change perceived calm and sleep as much as pharmacology in short studies. Blinded trials often shrink benefits versus open-label hype.
Single-night miracles rarely hold; regression to the mean explains many testimonials.
Common questions
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How can you reduce placebo bias testing CBD for sleep?
Keep bed and wake times fixed, log two weeks on and two off with a friend-coded blind if legal, and compare latency medians—not single best nights.
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