A 2016 study discovered whether cannabidiol can reduce signs of trauma (PTSD) as well as anxiety-provoked sleep disorder in a kid with a background of trauma. Scientists found that cannabidiol reduced the child's anxiousness as well as helped her sleep. Cannabidiol may be sold as a kind of hemp oil with trace amounts of THC. So, a person using cannabidiol may still test positive for THC on a medicine examination, even though they will not experience any kind of changes of mental state after using the oil. Cannabidiol is drawn out from marijuana plants and can be used as an oil.