Cannabis Science Inc, a US company specializing in the development of cannabinoid-based medicines, has received US patent number 9,763,991 for compositions of cannabinol (CBN) for treatment of various neurobehavioral disorders, sleep deprivation (insomnia), anxiety disorders (ADHD), and post-traumatic stress disorders (PTSD), among other target indications.

The invention relates to a composition for use in the treatment of neurobehavioral disorders utilizing various cannabis plant extracts comprising cannabinol (CBN) preferably with other constituents of this plant for such use and a method for the extraction of plants. The plants or plant parts may for instance be derived from cannabis sativa and/or cannabis indica and/or cannabis ruderalis and/or other elements, and mixtures thereof. The plant extracts derived showed particularly beneficial effects against sleep disorders (in particular insomnia), PTSD, and anxiety disorders including ADHD, according to the company.