Does valerian improve sleep quality?

Effectiveness Rating for Valerian's Ability to Improve Sleep Quality

The effectiveness rating is a measure of how well valerian is able to improve sleep quality. The overall rating for this claim is 2 out of 3. There is some research showing the supplement's ability to deliever on this particular claim is warranted. Using Valerian to improve sleep quality may lead to positive results.

Confidence Rating for Valerian's Ability to Improve Sleep Quality

The confidence rating is a mesure of how valid the effectiveness rating is. This rating is based on how many studies are included in the database on this topic.

There are 3 studies in the database on valerian; the confidence rating is 60. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating.

Valerian Dose to Improve Sleep Quality

Dosage	Frequency	Daily Total
530mg	twice daily	1060mg
450mg	once daily	450mg
300mg	once daily	300mg

References

Title of Study
Effect of valerian on sleep quality in postmenopausal women: a randomized placebo-controlled clinical trial
The Use of Valeriana Officinalis (Valerian) in Improving Sleep in Patients Who Are Undergoing Treatment for Cancer: A Phase III Randomized, Placebo-Controlled, Double-Blind Study
A randomized clinical trial of valerian fails to improve self-reported, polysomnographic, and actigraphic sleep in older women with insomnia

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