Medical cannabis has been available via regulated specialist prescribing in the...

https://wiki-triod.win/index.php/Is_It_True_You_Need_Documented_Treatment_History_for_UK_Medical_Cannabis%3F

Medical cannabis has been available via regulated specialist prescribing in the UK since 2018. Crucially, it is generally considered a treatment option only after other, more conventional sleep therapies have been exhausted