Since 2018, medical cannabis has been a legal treatment option in the UK,...

https://www.coast-bookmarks.win/since-2018-medical-cannabis-has-been-a-legal-option-in-the-uk-when-prescribed

Since 2018, medical cannabis has been a legal treatment option in the UK, provided it is managed by a specialist consultant. Typically, it is considered only after other evidence-based sleep interventions haven’t provided the relief a patient needs