Yes, seems to have a relaxing effect. I haven't tried more than one cup about 1 hour before bedtime. This is the second night. I did not pull mine from the yard, I purchased the tea from http://www.naturestealeaf.com/puerh-tea.html.
So this is my second morning, was a hard sleep. Woke once to go to the bathroom & was very, very groggy. Was still groggy at 6:00 am when I got up. However this passed very quickly. 2 cups of Ginseng oolong & I feel great. Sucks it's raining..
So far I really like this on those evenings restlessness where I feel wide awake.