CBD Reduces Anxiety and Improves Sleep, Clinic Trial Concludes. by drgreencerts | Jul 11, 2019 | News | 0 comments Twitter Facebook A clinical trial published in The Permanente Journal found that plant-derived CBD (cannabidiol) is associated with reduced anxiety and improved sleep quality. Click here to read more. Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.