Best CBD for Sleep
Top 0 products ranked
Last reviewed May 2026
Clinical dose: 25–160 mg
Why CBD for Sleep
CBD plays a supporting role in sleep. CBD (cannabidiol) is widely marketed for sleep but consumer perception massively outstrips RCT evidence. A few small trials suggest anxiolytic effects at moderate doses, which may indirectly improve sleep. In clinical studies, cbd may reduce anxiety, which can indirectly support sleep.
What dose to look for
Clinical studies typically use 25–160 mg of cbd. Wide dose range in studies (25-1500 mg); sleep-specific trials typically used 25-160 mg. Products below this range may not deliver meaningful results.
What the research says
CBD has limited clinical evidence for sleep benefits. Consumer perception far outpaces evidence; only a few small trials with inconsistent results Learn more
Clinical research on CBD (Cannabidiol)
LOW — Consumer perception massively outstrips clinical evidence · 25–160 mg
- •Largest case series (Shannon 2019, 72 adults) found 66.7% improved sleep scores in the first month, but results fluctuated over time and lacked a placebo control.
- •One RCT found 160 mg CBD increased total sleep time, but lower doses (40-80 mg) did not — suggesting a high dose threshold if any effect exists.
- •Anxiolytic effects at moderate doses (300-600 mg) are better supported than direct sleep effects. Sleep improvement may be secondary to anxiety reduction.
- •Deliberately scored low: CBD is the most over-hyped sleep ingredient on the market. Honest scoring here is a key differentiator for BioStacks.