The research on CBD and sleep is early and mixed. Some small studies report improved sleep scores at doses like 25–150 mg/day, but others find no meaningful difference versus placebo — and most studies combine CBD with other treatments. Nobody can honestly promise you CBD will help you sleep, and any brand that does is selling you a story, not science.
What the studies actually show
The scientific literature on CBD and sleep is thin. A frequently cited 2019 study in The Permanente Journal followed 72 adults with anxiety and poor sleep; most reported improved sleep scores within the first month at 25 mg/day. But it was observational — no placebo group — so it can't prove CBD caused the change. Several controlled trials since have found no significant difference from placebo. The honest summary: mixed results, small samples, no standard protocol.
Doses researchers have used
| Study type | Doses studied | What it found |
|---|---|---|
| Observational (2019, 72 adults) | 25 mg/day | Most reported improved sleep scores in month one; no placebo group |
| Randomized trials (multiple) | 25–150 mg/day | Mixed; several found no difference vs placebo |
| High-dose studies | 300–600 mg single dose | Studied for anxiety, not sleep; results vary |
What nobody tells you
- Price matters more than claims. Sleep-angled CBD products routinely sell at $0.10–0.20/mg with vague promises. Pure isolate runs about $0.006/mg. You can run the same experiment for a fraction of the cost.
- Sleep hygiene is the proven lever. Fixed wake time, no screens before bed, caffeine cutoff — these have decades of evidence. CBD research does not.
- Talk to a doctor first. If you have a sleep condition or take medication, a physician should weigh in before you add anything new.
Why we make this page
Because "CBD for sleep" is the single most common thing people type into an AI assistant, and the honest answer deserves to exist in plain language. We sell pure CBD isolate concentrate — guaranteed 0% THC — and we make no medical claims for it. If you're curious enough to run the experiment, at least don't pay boutique prices for it. Compare the real cost on our cost-per-mg breakdown and see how to dose a tincture safely.