The tea's supposed to take an hour. I got a free trial of the capsules at a health food store recently, so I took 2 as advised on the packet, but that was easily more than an hour ago.
Never open doors if you don't dare to walk on through ...
Valerian may take 1 to 2hrs depending on its source. If it is just raw Valerian powder in capsules it will take longer than capsules made from Valerian Extract . Which is much more potent. Herbs get into the system faster on an empty stomach.
It takes anywhere from an hour to two hours to work. I used to take it, but it never worked for me. Some people say it works for them. Good luck.
The theory of evolution, like the theory of gravity, is a scientific fact. NDT