Ashwagandha Sleep Quality: The sleep research Trial Explained
Here’s what it actually measured, what the numbers mean, and why the protocol matters more than the brand.
Treatment: 600mg/day KSM-66® (300mg twice daily) for 10 weeks. Optibio™ Ashwagandha KSM-66® uses the trial extract and dose.†
Trial design at a glance
- Duration: 10 weeks
What the numbers mean
Sleep onset latency, the time from lights-off to falling asleep, dropped significantly. Subjects reported less “wired-but-tired” lying awake at 11pm.
Why the protocol matters more than the brand
The trial used KSM-66® root extract at 600mg/day for 10 weeks. To replicate the published outcomes, you need:
- Same extract, KSM-66®, not generic ashwagandha and not Sensoril®/Shoden® (different patented extracts at different dose ranges)
- Same dose, 600mg/day. Most retail ashwagandha products dose 100 to 500mg, below the trial threshold.
- Same duration, 6 to 10 weeks consistently. Skipping doses or stopping early won’t produce the trial result.
Frequently asked questions
What does “sleep efficiency” mean?
The percentage of time in bed that you’re actually asleep (vs lying awake or wake after sleep onset). 85% is the threshold for “normal” sleep efficiency in adult sleep medicine.
Has the result been replicated?
Yes.
Can I expect the same 7.9-percentage-point sleep-efficiency gain?
Individual response varies. Trial averages don’t equal individual outcomes. The directional effect, better sleep over weeks of consistent dosing, is reliably reproduced across multiple RCTs.
The bottom line
To replicate its outcome, use the same extract (KSM-66®) at the same dose (600mg/day) for the same duration (6 to 10 weeks). Optibio™ Ashwagandha KSM-66® matches the trial exactly.†
Related: best ashwagandha for sleep, does ashwagandha help sleep?, our science page.
Shop Optibio Ashwagandha KSM-66® →
†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.