Since 2018, medical cannabis has been a legal, regulated option for chronic...

https://wiki-zine.win/index.php/What_Does_%27Tightly_Regulated%27_Mean_for_UK_Medical_Cannabis_Access%3F

Since 2018, medical cannabis has been a legal, regulated option for chronic insomnia in the UK when prescribed by a specialist. Clinically, it is generally considered only after other evidence-based treatments or sleep therapies have been exhausted