Medical cannabis has been a legal option for specific UK patients since 2018,...

https://alpha-wiki.win/index.php/What_are_the_most_common_misunderstandings_about_medical_cannabis_for_sleep_in_the_UK%3F

Medical cannabis has been a legal option for specific UK patients since 2018, yet it is rarely a first-line treatment. Access requires expert specialist oversight, and individual outcomes vary widely